When ideas have sex | Matt Ridley

389,968 views ・ 2010-07-19

TED


Please double-click on the English subtitles below to play the video.

Prevodilac: Ivana Korom Lektor: Sandra Gojic
00:16
When I was a student here in Oxford in the 1970s,
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Kada sam bio student ovde u Oksfordu, sedamdesetih,
00:19
the future of the world was bleak.
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budućnost sveta bila je maglovita.
00:22
The population explosion was unstoppable.
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Eksplozija populacije bila je nezaustavljiva.
00:24
Global famine was inevitable.
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Globalna glad bila je neizbežna.
00:26
A cancer epidemic caused by chemicals in the environment
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Epidemija raka uzrokovanog hemikalijama iz sredine
00:29
was going to shorten our lives.
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skratila bi naše živote.
00:32
The acid rain was falling on the forests.
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Kisele kiše padale su u šumama.
00:35
The desert was advancing by a mile or two a year.
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Pustinja se širila po 2-3 kilometara godišnje.
00:37
The oil was running out,
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Nestajalo je nafte.
00:39
and a nuclear winter would finish us off.
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A nuklearna zima bi nas sve dokrajčila.
00:42
None of those things happened,
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Ništa od toga nije se desilo.
00:44
(Laughter)
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(smeh)
00:46
and astonishingly, if you look at what actually happened in my lifetime,
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I zapanjujuće, ako pogledate šta se jeste desilo tokom mog života,
00:49
the average per-capita income
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prosečni individualni prihod
00:52
of the average person on the planet,
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prosečne osobe na planeti,
00:54
in real terms, adjusted for inflation,
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u realnim terminima, poravnato zbog inflacije,
00:56
has tripled.
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utrostručio se.
00:58
Lifespan is up by 30 percent in my lifetime.
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Životni vek je produžen 30% u toku mog života.
01:01
Child mortality is down by two-thirds.
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Dečija smrtnost je smanjena za dve trećine.
01:04
Per-capita food production
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Proizvodnja hrane po osobi
01:06
is up by a third.
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povećana je za trećinu.
01:08
And all this at a time when the population has doubled.
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I sve to u vremenu kada se populacija duplirala.
01:11
How did we achieve that, whether you think it's a good thing or not?
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Kako smo to postigli - bilo da smatrate da je to dobra ili loša stvar -
01:13
How did we achieve that?
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Kako smo to postigli?
01:15
How did we become
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Kako smo postali
01:17
the only species
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jedina vrsta
01:19
that becomes more prosperous
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koja postajući brojnija,
01:21
as it becomes more populous?
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postaje naprednija?
01:23
The size of the blob in this graph represents the size of the population,
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Veličina kruga u ovom grafiku predstavlja veličinu populacije.
01:26
and the level of the graph
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A nivo grafika predstavlja
01:28
represents GDP per capita.
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BDP po osobi.
01:30
I think to answer that question
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Da bismo odgovorili na to pitanje, mislim
01:32
you need to understand
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da morate razumeti
01:34
how human beings bring together their brains
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kako ljudi spajaju svoje mozgove
01:37
and enable their ideas to combine and recombine,
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i omogućavaju svojim idejama da se kombinuju i prekombinuju,
01:40
to meet and, indeed, to mate.
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da se sreću i pare.
01:43
In other words, you need to understand
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Drugim rečima, potrebno je da razumete
01:45
how ideas have sex.
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kako ideje upražnjavaju seks.
01:48
I want you to imagine
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Želim da zamislite
01:50
how we got from making objects like this
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kako smo dospeli od toga da pravimo ovakve predmete
01:53
to making objects like this.
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do toga da pravimo ovakve.
01:56
These are both real objects.
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Oba predmeta su pravi predmeti.
01:58
One is an Acheulean hand axe from half a million years ago
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Ovo je [nejasno] ručna sekira od pre pola miliona godina,
02:00
of the kind made by Homo erectus.
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vrsta koju je pravio Homo erectus.
02:03
The other is obviously a computer mouse.
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Drugi je, očigledno, kompjuterski miš.
02:05
They're both exactly the same size and shape to an uncanny degree.
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Oba su potpuno iste veličine i oblika, što je neverovatno.
02:08
I've tried to work out which is bigger,
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Pokušao sam da shvatim koji je veći,
02:11
and it's almost impossible.
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što je skoro nemoguće.
02:13
And that's because they're both designed to fit the human hand.
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A to je zato što su oba napravljena da stanu u ljudsku šaku.
02:15
They're both technologies. In the end, their similarity is not that interesting.
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Oba su tehnologije. Na kraju, nije njihova sličnost toliko interesantna.
02:18
It just tells you they were both designed to fit the human hand.
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Samo vam govori da su oba napravljena da stanu u šaku.
02:20
The differences are what interest me,
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Mene interesuje razlika.
02:22
because the one on the left was made to a pretty unvarying design
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Jer ovaj sa leve strane oko milion godina
02:25
for about a million years --
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nije menjao izgled -
02:27
from one-and-a-half million years ago to half a million years ago.
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od pre milion ipo godina do pre pola miliona godina.
02:30
Homo erectus made the same tool
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Homo erectus je pravio isti alat
02:33
for 30,000 generations.
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kroz 30,000 generacija.
02:35
Of course there were a few changes,
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Naravno da je bilo nekih izmena,
02:37
but tools changed slower than skeletons in those days.
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ali alati su se u to vreme menjali sporije od skeleta.
02:40
There was no progress, no innovation.
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Nije bilo napretka, inovacije.
02:42
It's an extraordinary phenomenon, but it's true.
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To je neverovatan fenomen, ali je istinit.
02:44
Whereas the object on the right is obsolete after five years.
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Dok predmet sa desne strane izlazi iz mode posle pet godina.
02:47
And there's another difference too,
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Postoji još jedna razlika,
02:49
which is the object on the left is made from one substance.
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a to je da je predmet sa desne strane napravljen od jednog materijala.
02:51
The object on the right is made from
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Predmet sa desne strane je napravljen
02:53
a confection of different substances,
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iz kombinacije različitih materijala,
02:55
from silicon and metal and plastic and so on.
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od silikona i metala do plastike itd.
02:58
And more than that, it's a confection of different ideas,
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I više od toga, to je skup različitih ideja,
03:01
the idea of plastic, the idea of a laser,
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ideje plastike, ideje lasera,
03:03
the idea of transistors.
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ideje tranzistora.
03:05
They've all been combined together in this technology.
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Sve su one povezane u ovoj tehnologiji.
03:08
And it's this combination,
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I ova kombinacija,
03:10
this cumulative technology, that intrigues me,
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ova kumulativna tehnologija mene interesuje.
03:13
because I think it's the secret to understanding
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Jer mislim da je u tome tajna razumevanja
03:16
what's happening in the world.
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onoga što se dešava u svetu.
03:18
My body's an accumulation of ideas too:
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I moje telo je skup ideja, takođe,
03:21
the idea of skin cells, the idea of brain cells, the idea of liver cells.
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ideje kožnih ćelija, ideje moždanih ćelija, ideje ćelija u jetri.
03:24
They've come together.
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One su se spojile.
03:26
How does evolution do cumulative, combinatorial things?
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Kako evolucija pravi kumulativne, kombinovane stvari?
03:29
Well, it uses sexual reproduction.
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Pa, koristi seksualnu reprodukciju.
03:32
In an asexual species, if you get two different mutations in different creatures,
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Kod aseksualnih vrsta, ako imate dve različite mutacije kod različitih stvorenja,
03:35
a green one and a red one,
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zelenog i crvenog,
03:37
then one has to be better than the other.
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onda jedan mora biti bolji od drugog.
03:39
One goes extinct for the other to survive.
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Jedan izumre da bi drugi preživeo.
03:41
But if you have a sexual species,
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Ali ako imate seksualnu vrstu,
03:43
then it's possible for an individual
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onda je moguće da individua
03:45
to inherit both mutations
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nasledi obe mutacije
03:47
from different lineages.
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od različitih strana.
03:49
So what sex does is it enables the individual
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Znači seks omogućava individui
03:52
to draw upon
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da izvuče
03:54
the genetic innovations of the whole species.
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genetske inovacije cele vrste.
03:57
It's not confined to its own lineage.
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Nije ograničena na svoju lozu.
03:59
What's the process that's having the same effect
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Koji proces ima isti efekat
04:01
in cultural evolution
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u kulturnoj evoluciji,
04:03
as sex is having in biological evolution?
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kao što seks ima u biološkoj evoluciji?
04:06
And I think the answer is exchange,
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Mislim da je odgovor razmena,
04:08
the habit of exchanging one thing for another.
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navika razmene jedne stvari za drugu.
04:11
It's a unique human feature.
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To je jedinstvena ljudska osobina.
04:13
No other animal does it.
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Nijedna druga životinja to ne čini.
04:15
You can teach them in the laboratory to do a little bit of exchange --
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U laboratoriji ih možete naučiti da pomalo razmenjuju.
04:17
and indeed there's reciprocity in other animals --
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I naravno da postoji reciprocitet kod drugih životinja.
04:19
But the exchange of one object for another never happens.
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Ali razmena jednog objekta za drugi nikada ne postoji.
04:22
As Adam Smith said, "No man ever saw a dog
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Kao što je Adam Smit rekao, "Još nijedan čovek nije video
04:24
make a fair exchange of a bone with another dog."
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psa kako pravedno razmenjuje kosku sa drugim psom."
04:27
(Laughter)
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(smeh)
04:30
You can have culture without exchange.
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Možete imati kulturu bez razmene.
04:32
You can have, as it were, asexual culture.
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Možete imati aseksualnu kulturu.
04:34
Chimpanzees, killer whales, these kinds of creatures, they have culture.
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Šimpanze, kitovi ubice, ta stvorenja imaju kulturu.
04:37
They teach each other traditions
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Jedni druge uče tradicijama
04:39
which are handed down from parent to offspring.
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koje se prenose sa roditelja na potomke.
04:41
In this case, chimpanzees teaching each other
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U ovom slučaju, šimpanze uče jedni druge
04:43
how to crack nuts with rocks.
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da razbijaju orahe kamenjem.
04:45
But the difference is
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Ali razlika je u tome
04:47
that these cultures never expand, never grow,
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što se ove kulture nikada ne šire, ne rastu,
04:49
never accumulate, never become combinatorial,
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ne akumuliraju, nikada ne postanu proizvodna.
04:51
and the reason is because
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A razlog tome je što
04:53
there is no sex, as it were,
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nema sekaa, na neki način,
04:55
there is no exchange of ideas.
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nema razmene ideja.
04:57
Chimpanzee troops have different cultures in different troops.
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Porodice šimpanzi imaju različite kulture u različitim porodicama.
05:00
There's no exchange of ideas between them.
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Među njima nema razmene ideja.
05:03
And why does exchange raise living standards?
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A zašto razmena podiže životne standarde?
05:05
Well, the answer came from David Ricardo in 1817.
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Pa, odgovor je dao Dejvid Rikardo, 1817. godine.
05:08
And here is a Stone Age version of his story,
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Postoji verzija ove priče iz kamenog doba,
05:10
although he told it in terms of trade between countries.
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mada se njegova odnosi na međudržavnu razmenu.
05:13
Adam takes four hours to make a spear and three hours to make an axe.
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Adamu je potrebno 4 sata da napravi koplje, a 3 da napravi sekiru.
05:16
Oz takes one hour to make a spear and two hours to make an axe.
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Ozu je potreban jedan sat da napravi koplje i dva za sekiru.
05:19
So Oz is better at both spears and axes than Adam.
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Znači Oz je u obe stvari bolji od Adama.
05:22
He doesn't need Adam.
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Adam mu nije potreban.
05:24
He can make his own spears and axes.
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Može sam da pravi svoja koplja i sekire.
05:26
Well no, because if you think about it,
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Ali ne, jer ako razmislite,
05:28
if Oz makes two spears and Adam make two axes,
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ako Oz pravi dva koplja, a Adam dve sekire,
05:30
and then they trade,
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i onda se menjaju,
05:32
then they will each have saved an hour of work.
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svaki će uštedeti po sat vremena posla.
05:35
And the more they do this, the more true it's going to be,
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Što više to rade, ovo će biti tačnije.
05:38
because the more they do this, the better Adam is going to get at making axes
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Jer što više to rade, Adam će biti bolji u izradi sekira,
05:41
and the better Oz is going to get at making spears.
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a Oz će napredovati u izradi koplja.
05:43
So the gains from trade are only going to grow.
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Znači dobici od razmene će da rastu.
05:45
And this is one of the beauties of exchange,
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Ovo je jedna od lepota razmene,
05:47
is it actually creates the momentum
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ona zapravo stvara priliku
05:49
for more specialization,
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za još više specijalizacije,
05:51
which creates the momentum for more exchange and so on.
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koja stvara priliku za više razmene i tako dalje.
05:54
Adam and Oz both saved an hour of time.
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I Adam i Oz uštede po sat vremena.
05:56
That is prosperity, the saving of time
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To je napredak, ušteda vremena
05:58
in satisfying your needs.
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u zadovoljavanju potreba.
06:01
Ask yourself how long you would have to work
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Zapitajte se koliko dugo biste morali da radite
06:03
to provide for yourself
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da biste sebi obezbedili
06:06
an hour of reading light this evening to read a book by.
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sat vremena svetla za čitanje knjige večeras.
06:09
If you had to start from scratch, let's say you go out into the countryside.
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Da morate da počnete od nule, recimo morate da odete u prirodu.
06:12
You find a sheep. You kill it. You get the fat out of it.
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Nađete ovcu. Ubijete je. Uzmete njenu mast.
06:14
You render it down. You make a candle, etc. etc.
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Rastopite je. Napravite sveću, itd, itd.
06:17
How long is it going to take you? Quite a long time.
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Koliko će vam vremena biti potrebno za to? Prilično.
06:19
How long do you actually have to work
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Koliko zaista morate da radite
06:21
to earn an hour of reading light
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da biste zaradili sat vremena svetla za čitanje,
06:23
if you're on the average wage in Britain today?
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ako imate prosečnu britanksu platu danas?
06:25
And the answer is about half a second.
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Odgovor je oko pola sekunde.
06:28
Back in 1950,
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Pedesetih bi
06:30
you would have had to work for eight seconds on the average wage
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bilo potrebno da radite osam sekundi uz prosečnu platu
06:32
to acquire that much light.
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da biste dobili toliko svetla.
06:34
And that's seven and a half seconds of prosperity that you've gained
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To je sedam ipo sekundi napretka koje ste dobili.
06:37
since 1950, as it were,
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Od 1950., recimo.
06:39
because that's seven and a half seconds in which you can do something else,
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Jer to je sedam ipo sekundi u toku kojih možete uraditi nešto drugo.
06:42
or you can acquire another good or service.
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Ili možete nabaviti drugu stvar ili uslugu.
06:44
And back in 1880,
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A davne 1880.,
06:46
it would have been 15 minutes
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bilo je potrebno 15 minuta
06:48
to earn that amount of light on the average wage.
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da se zaradi ta količina svetla, uz prosečnu platu.
06:50
Back in 1800,
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U devetnaestom veku
06:52
you'd have had to work six hours
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morali ste da radite šest sati
06:54
to earn a candle that could burn for an hour.
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da biste zaradili sveću koja gori sat vremena.
06:57
In other words, the average person on the average wage
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Drugim rečima, prosečna osoba sa prosečnom platom
06:59
could not afford a candle in 1800.
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nije mogla da priušti sveću 1800.
07:02
Go back to this image of the axe and the mouse,
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Vratite se na ovu sliku sekire i miša,
07:05
and ask yourself: "Who made them and for who?"
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i zapitajte se: "Ko ih je napravio i za koga?"
07:08
The stone axe was made by someone for himself.
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Kamenu sekiru je neko napravio za sebe.
07:10
It was self-sufficiency.
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To je bila nezavisnost.
07:12
We call that poverty these days.
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Ovih dana to zovemo siromaštvo.
07:14
But the object on the right
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Ali predmet sa desne strane
07:16
was made for me by other people.
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su za mene napravili drugi ljudi.
07:19
How many other people?
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Koliko drugih ljudi?
07:21
Tens? Hundreds? Thousands?
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Desetine? Stotine? Hiljade?
07:23
You know, I think it's probably millions.
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Znate, mislim da su verovatno milioni.
07:25
Because you've got to include the man who grew the coffee,
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Jer morate da uračunate čoveka koji je uzgajao kafu,
07:27
which was brewed for the man who was on the oil rig,
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koja je pripremljena za čoveka na naftnoj bušotini,
07:30
who was drilling for oil, which was going to be made into the plastic, etc.
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koji je vadio naftu koja će se pretvoriti u plastiku, itd.
07:33
They were all working for me,
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Svi su radili za mene,
07:35
to make a mouse for me.
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da meni naprave miša.
07:37
And that's the way society works.
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I na taj način funkcioniše društvo.
07:40
That's what we've achieved as a species.
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To smo, kao vrsta, postigli.
07:44
In the old days, if you were rich,
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U stara vremena, ako ste bili bogati,
07:46
you literally had people working for you.
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bukvalno ste imali ljude koji su radili za vas.
07:48
That's how you got to be rich; you employed them.
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Tako ste postajali bogati; zapošljavali ste ih.
07:50
Louis XIV had a lot of people working for him.
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Luj XIV je imao puno ljudi koji su radili za njega.
07:52
They made his silly outfits, like this,
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Pravili su mu smešnu odoru, kao ovu.
07:54
(Laughter)
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(smeh)
07:56
and they did his silly hairstyles, or whatever.
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I pravili su mu smešne frizure, ili štagod.
07:59
He had 498 people
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Imao je 498 ljudi koji
08:01
to prepare his dinner every night.
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su mu spremali večeru svako veče.
08:03
But a modern tourist going around the palace of Versailles
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Ali moderni turista koji ide okolo po Versaju
08:05
and looking at Louis XIV's pictures,
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i gleda slike Luja XIV
08:08
he has 498 people doing his dinner tonight too.
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takođe ima 498 ljudi koji mu pripremaju večeru.
08:10
They're in bistros and cafes and restaurants
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Oni su u bistroima i kafeima i restoranima
08:12
and shops all over Paris,
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i prodavnicama širom Pariza.
08:14
and they're all ready to serve you at an hour's notice with an excellent meal
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I svi su spremni da vas u roku od sat vremena usluže odličnim jelima
08:17
that's probably got higher quality
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koja su verovatno kvalitetnija
08:19
than Louis XIV even had.
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od bilo kojih Lujevih.
08:21
And that's what we've done, because we're all working for each other.
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I to smo postigli, jer svi radimo jedni za druge.
08:24
We're able to draw upon specialization and exchange
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U mogućnosti smo da napredujemo iz usavršavanja i razmene
08:27
to raise each other's living standards.
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kako bismo jedni drugima podigli životni standard.
08:30
Now, you do get other animals working for each other too.
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Sad, imate i druge životinje koje rade jedne za druge.
08:33
Ants are a classic example; workers work for queens and queens work for workers.
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Mravi su klasičan primer; radnici rade za maticu, matica radi za radnike.
08:36
But there's a big difference,
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Ali postoji velika razlika,
08:38
which is that it only happens within the colony.
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a to je da se to dešava samo unutar kolonije.
08:40
There's no working for each other across the colonies.
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Među kolonijama oni ne rade jedni za druge.
08:42
And the reason for that is because there's a reproductive division of labor.
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Razlog tome je reproduktivna podela rada.
08:45
That is to say, they specialize with respect to reproduction.
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To znači da se specijalizuju u odnosu na reprodukciju.
08:48
The queen does it all.
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Matica radi sve.
08:50
In our species, we don't like doing that.
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Mi u našoj vrsti ne volimo to.
08:52
It's the one thing we insist on doing for ourselves, is reproduction.
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Reprodukcija je jedna stvar koju volimo da radimo za sebe.
08:55
(Laughter)
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(smeh)
08:58
Even in England, we don't leave reproduction to the Queen.
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Čak i u Engleskoj ne prepuštamo reprodukciju kraljici.
09:01
(Applause)
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(aplauz)
09:05
So when did this habit start?
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Znači, kada je počela ova navika?
09:07
And how long has it been going on? And what does it mean?
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I koliko dugo traje? I šta znači?
09:09
Well, I think, probably, the oldest version of this
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Pa, ja mislim da je verovatno najstarija verzija ovoga
09:12
is probably the sexual division of labor.
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podela posla na seksualnoj osnovi.
09:14
But I've got no evidence for that.
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Ali nemam dokaza za to.
09:16
It just looks like the first thing we did
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Samo izgleda kao da je prva stvar koju smo uradili
09:18
was work male for female and female for male.
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to da muškarci rade za žene i žene za muškarce.
09:21
In all hunter-gatherer societies today,
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U svim današnjim lovačko-sakupljačkim društvima
09:23
there's a foraging division of labor
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postoji lovačka podela rada
09:25
between, on the whole, hunting males and gathering females.
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između, generalno, muškaraca koji love i žena koje sakupljaju.
09:27
It isn't always quite that simple,
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Nije uvek tako jednostavno.
09:29
but there's a distinction between
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Ali postoji razlika između
09:31
specialized roles for males and females.
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specijalizovanih uloga između muškaraca i žena.
09:33
And the beauty of this system
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A lepota ovog sistema je
09:35
is that it benefits both sides.
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u tome što pogoduje obema stranama.
09:38
The woman knows
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Žena zna,
09:40
that, in the Hadzas' case here --
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u slučaju Hadze ovde -
09:42
digging roots to share with men in exchange for meat --
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iskopavaju korenje da podele s muškarcima u zamenu za meso -
09:44
she knows that all she has to do to get access to protein
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ona zna da, da bi došla do proteina
09:47
is to dig some extra roots and trade them for meat.
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treba samo da iskopa malo više korenja i razmeni ih za meso.
09:50
And she doesn't have to go on an exhausting hunt
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I ne mora da ide u iscrpljujući lov
09:52
and try and kill a warthog.
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i pokušava da ubije divlju svinju.
09:54
And the man knows that he doesn't have to do any digging
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A muškarac zna da ne mora uopšte da kopa
09:56
to get roots.
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da bi došao do korenja.
09:58
All he has to do is make sure that when he kills a warthog
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On samo treba da se postara da je svinja koju ubije
10:00
it's big enough to share some.
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dovoljno velika da može da je podeli.
10:02
And so both sides raise each other's standards of living
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Tako obe strane dižu životni standard jedna drugoj,
10:05
through the sexual division of labor.
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putem seksualne podele rada.
10:07
When did this happen? We don't know, but it's possible
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Kada se ovo desilo? Ne znamo, ali je moguće
10:10
that Neanderthals didn't do this.
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da neandertalci ovo nisu radili.
10:12
They were a highly cooperative species.
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Oni su kao vrsta mnogo sarađivali.
10:14
They were a highly intelligent species.
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Bili su veoma inteligentni.
10:16
Their brains on average, by the end, were bigger than yours and mine
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Njihovi mozgovi su u proseku bili veći od vašeg
10:18
in this room today.
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i mog danas.
10:20
They were imaginative. They buried their dead.
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Bili su maštoviti. Sahranjivali su mrtve.
10:22
They had language, probably,
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Verovatno su imali jezik,
10:24
because we know they had the FOXP2 gene of the same kind as us,
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jer znamo da su imali gen FOXP2 iste vrste kao i mi,
10:26
which was discovered here in Oxford.
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koji je otkriven ovde u Oksfordu.
10:28
And so it looks like they probably had linguistic skills.
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I izgleda da su verovatno imali lingvističke veštine.
10:31
They were brilliant people. I'm not dissing the Neanderthals.
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Bili su izuzetni ljudi. Ne nipodaštavam neandertalce.
10:35
But there's no evidence
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Ali ne postoje dokazi
10:37
of a sexual division of labor.
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seksualne podele rada.
10:39
There's no evidence of gathering behavior by females.
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Ne postoji dokaz sakupljačkog ponašanja žena.
10:42
It looks like the females were cooperative hunters with the men.
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Izgleda da su žene bile lovci kao i muškarci.
10:46
And the other thing there's no evidence for
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A druga stvar za koju ne postoje dokazi
10:48
is exchange between groups,
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je međugrupna razmena.
10:51
because the objects that you find in Neanderthal remains,
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Jer predmeti koji se nalaze u ostacima neandertalaca,
10:54
the tools they made,
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alati koje su pravili,
10:56
are always made from local materials.
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uvek su od lokalnih materijala.
10:58
For example, in the Caucasus
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Na primer, na Kavkazu
11:00
there's a site where you find local Neanderthal tools.
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postoji mesto gde možete naći lokalne alate neandertalaca.
11:03
They're always made from local chert.
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Uvek su izrađeni od lokalnog kamena.
11:05
In the same valley there are modern human remains
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U istoj dolini ima ostataka novih ljudskih ostataka
11:07
from about the same date, 30,000 years ago,
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iz otprilike istog perioda, pre 30.000 godina.
11:09
and some of those are from local chert,
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I neki od njih jesu od lokalnog kamena,
11:11
but more -- but many of them are made
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ali više - mnogo njih je
11:13
from obsidian from a long way away.
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od opsidijana od pre mnogo godina.
11:15
And when human beings began
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A kada su ljudska bića počela
11:17
moving objects around like this,
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da premeštaju ovakve predmete,
11:19
it was evidence that they were exchanging between groups.
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to je dokaz da je postojala razmena među grupama.
11:22
Trade is 10 times as old as farming.
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Razmena je 10 puta starija od ratarstva.
11:25
People forget that. People think of trade as a modern thing.
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Ljudi to zaboravljaju. Ljudi misle da je to savremena stvar.
11:28
Exchange between groups has been going on
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Razmena među grupama se odvija
11:30
for a hundred thousand years.
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stotinama hiljada godina.
11:33
And the earliest evidence for it crops up
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A rani dokaz za to pojavljuje se
11:35
somewhere between 80 and 120,000 years ago in Africa,
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negde pre između 80 i 120.000 u Africi,
11:38
when you see obsidian and jasper and other things
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gde vidite da opsidijan i jaspis i druge stvari
11:41
moving long distances in Ethiopia.
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prelaze velike razdaljine u Etiopiji.
11:44
You also see seashells --
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Takođe vidite morske školjke -
11:46
as discovered by a team here in Oxford --
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kao što je i jedan tim ovde u Oksfordu otkrio -
11:48
moving 125 miles inland
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koje putuju 200 kilometara u unutrašnjost,
11:50
from the Mediterranean in Algeria.
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sa Mediterana u Alžir.
11:53
And that's evidence that people
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I to su dokazi da su ljudi
11:55
have started exchanging between groups.
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počeli da razmenjuju među grupama.
11:57
And that will have led to specialization.
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I to će dovesti do specijalizacije.
11:59
How do you know that long-distance movement
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Kako znate da dugo putovanje
12:01
means trade rather than migration?
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znači razmenu, a ne migraciju?
12:04
Well, you look at modern hunter gatherers like aboriginals,
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Pa, pogledate moderne lovce skupljače kao što su Aboridžini,
12:06
who quarried for stone axes at a place called Mount Isa,
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koji kopaju kamen za sekire na planini Isa,
12:09
which was a quarry owned by the Kalkadoon tribe.
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a to je kamenolom koji drži pleme Kalkadun.
12:12
They traded them with their neighbors
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Menjali su se sa susedima
12:14
for things like stingray barbs,
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za stvari kao što su strele od raža.
12:16
and the consequence was that stone axes
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A posledica toga je da su sekire
12:18
ended up over a large part of Australia.
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završile na udaljenom kraju Australije.
12:20
So long-distance movement of tools
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Dakle, daleko pomeranje alata
12:22
is a sign of trade, not migration.
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je znak razmene, a ne migracije.
12:25
What happens when you cut people off from exchange,
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Šta se dešava kada ljudima uskratite razmenu,
12:28
from the ability to exchange and specialize?
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mogućnost da razmenjuju i da se usavršavaju?
12:31
And the answer is that
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Odgovor je,
12:33
not only do you slow down technological progress,
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ne samo da usporite tehnološki napredak,
12:35
you can actually throw it into reverse.
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nego možete i da ga unazadite.
12:38
An example is Tasmania.
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Primer je Tasmanija.
12:40
When the sea level rose and Tasmania became an island 10,000 years ago,
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Kada se nivo mora digao i Tasmanija postala ostrvo, pre 10.000 godina,
12:43
the people on it not only experienced
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ljudi su doživeli
12:45
slower progress than people on the mainland,
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ne samo sporiji napredak nego ljudi na kopnu,
12:48
they actually experienced regress.
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nego čak i nazadovanje.
12:50
They gave up the ability to make stone tools
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Izgubili su sposobnost da prave alate od kostiju
12:52
and fishing equipment and clothing
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i opremu za pecanje i odeću,
12:54
because the population of about 4,000 people
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jer populacija od 4000 ljudi
12:57
was simply not large enough
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nije dovoljno velika
12:59
to maintain the specialized skills
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da održi specijalizovane veštine
13:01
necessary to keep the technology they had.
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koje su potrebne da se zadrži tehnologija koju su imali.
13:04
It's as if the people in this room were plonked on a desert island.
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Kao kad bi ljude iz ove sobe stavili na pusto ostrvo.
13:06
How many of the things in our pockets
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Koliko stvari iz vaših džepova
13:08
could we continue to make after 10,000 years?
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bismo nastavili da proizvodimo posle 10.000 godina?
13:12
It didn't happen in Tierra del Fuego --
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To se nije desilo na Tijera del Fuegu -
13:14
similar island, similar people.
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slično ostrvo, slični ljudi.
13:16
The reason: because Tierra del Fuego
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Razlog, Tijera del Fuego
13:18
is separated from South America by a much narrower straight,
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je odvojen od Južne Amerike mnogo užim prolazom.
13:21
and there was trading contact across that straight
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Postojao je trgovinski kontakt duž prolaza
13:23
throughout 10,000 years.
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tokom 10.000 godina.
13:25
The Tasmanians were isolated.
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Tasmanijci su bili izolovani.
13:28
Go back to this image again
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Vratite se ponovo na ovu sliku
13:30
and ask yourself, not only who made it and for who,
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i zapitajte se, ne samo ko je ovo napravio i za koga,
13:33
but who knew how to make it.
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nego i ko je znao kako da to napravi.
13:36
In the case of the stone axe, the man who made it knew how to make it.
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U slučaju kamene sekire, čovek koji ju je napravio znao je kako.
13:39
But who knows how to make a computer mouse?
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Ali ko zna kako da napravi kompjuterski miš?
13:42
Nobody, literally nobody.
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Niko, bukvalno niko.
13:45
There is nobody on the planet who knows how to make a computer mouse.
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Niko na planeti ne zna da napravi miš za kompjuter.
13:48
I mean this quite seriously.
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Potpuno ozbiljno mislim ovo.
13:50
The president of the computer mouse company doesn't know.
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Predsednik kompanije za miševe ne zna.
13:52
He just knows how to run a company.
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On samo zna da vodi kompaniju.
13:55
The person on the assembly line doesn't know
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Osoba na proizvodnoj liniji ne zna,
13:57
because he doesn't know how to drill an oil well
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jer ne zna kako se kopa nafta
13:59
to get oil out to make plastic, and so on.
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da bi se od nje napravila plastika itd.
14:02
We all know little bits, but none of us knows the whole.
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Svi znamo po malo, ali niko od nas ne zna sve.
14:05
I am of course quoting from a famous essay
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Naravno, citiram čuveni esej
14:07
by Leonard Read, the economist in the 1950s,
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Leonarda Rida, ekonomiste iz pedesetih,
14:10
called "I, Pencil"
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koji se zove "Ja, olovka"
14:12
in which he wrote about how a pencil came to be made,
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u kom je pisao o nastanku olovke,
14:15
and how nobody knows even how to make a pencil,
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i kako niko ne zna kako se pravi olovka,
14:18
because the people who assemble it don't know how to mine graphite,
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jer ljudi koji je sastavljaju ne znaju kako da vade grafit.
14:21
and they don't know how to fell trees and that kind of thing.
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I ne znaju kako da obaraju drveće i takve stvari.
14:24
And what we've done in human society,
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A u društvu smo,
14:26
through exchange and specialization,
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kroz razmenu i specijalizaciju
14:28
is we've created
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stvorili
14:30
the ability to do things that we don't even understand.
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sposobnost da radimo stvari koje ni ne razumemo.
14:33
It's not the same with language.
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Nije isto sa jezikom.
14:35
With language we have to transfer ideas
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U jeziku moramo da prenosimo ideje
14:37
that we understand with each other.
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koje jedni s drugima razumemo.
14:40
But with technology,
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Ali sa tehnologijom,
14:42
we can actually do things that are beyond our capabilities.
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možemo da radimo stvari koje su iznad naših sposobnosti.
14:44
We've gone beyond the capacity of the human mind
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Otišli smo iznad kapaciteta ljudskog uma,
14:47
to an extraordinary degree.
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do neverovatnog nivoa.
14:49
And by the way,
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I usput,
14:51
that's one of the reasons that I'm not interested
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to je jedan od razloga zašto
14:54
in the debate about I.Q.,
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me ne ineteresuje rasprava o IQ,
14:56
about whether some groups have higher I.Q.s than other groups.
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o tome da li neke grupe imaju viši IQ od nekih drugih.
14:59
It's completely irrelevant.
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To je potpuno nebitno.
15:01
What's relevant to a society
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Ono što je bitno za društvo
15:04
is how well people are communicating their ideas,
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je koliko dobro ljudi prenose svoje ideje,
15:07
and how well they're cooperating,
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i koliko dobro sarađuju,
15:09
not how clever the individuals are.
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a ne koliko su njihovi pojedinci pametni.
15:11
So we've created something called the collective brain.
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Dakle stvorili smo kolektivni mozak.
15:13
We're just the nodes in the network.
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Mi smo samo čvorovi u mreži.
15:15
We're the neurons in this brain.
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Mi smo neuroni u tom mozgu.
15:18
It's the interchange of ideas,
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A razmena ideja,
15:20
the meeting and mating of ideas between them,
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susretanje i parenje ideja uzrokuje
15:22
that is causing technological progress,
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tehnološki napredak
15:25
incrementally, bit by bit.
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postepeno, malo po malo.
15:27
However, bad things happen.
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Međutim, loše stvari se dešavaju.
15:29
And in the future, as we go forward,
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I u budućnosti, kako napredujemo,
15:32
we will, of course, experience terrible things.
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iskusićemo, naravno, užasne stvari.
15:35
There will be wars; there will be depressions;
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Biće ratova; biće depresija;
15:37
there will be natural disasters.
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biće prirodnih katastrofa.
15:39
Awful things will happen in this century, I'm absolutely sure.
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Potpuno sam siguran da će se užasne stvari desiti u ovom veku.
15:42
But I'm also sure that, because of the connections people are making,
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Ali takođe sam siguran da, zbog veza koje ljudi prave,
15:45
and the ability of ideas
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i sposobnosti ideja
15:47
to meet and to mate
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da se susreću i pare,
15:49
as never before,
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kao nikada pre,
15:51
I'm also sure
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siguran sam da
15:53
that technology will advance,
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će tehnologija napredovati,
15:55
and therefore living standards will advance.
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i zbog toga će i životni standardi napredovati.
15:57
Because through the cloud,
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Jer kroz oblake,
15:59
through crowd sourcing,
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kroz grupno izvođenje,
16:01
through the bottom-up world that we've created,
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kroz vertikalni svet koji smo stvorili,
16:03
where not just the elites but everybody
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gde ne samo elita, nego svi mogu
16:06
is able to have their ideas
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da imaju ideje
16:08
and make them meet and mate,
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i da se one sreću i pare,
16:10
we are surely accelerating the rate of innovation.
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zasigurno ubrzavamo tempo inovacija.
16:13
Thank you.
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Hvala vam
16:15
(Applause)
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(aplauz)

Original video on YouTube.com
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