The science of symmetry - Colm Kelleher

725,933 views ・ 2014-05-13

TED-Ed


μ•„λž˜ μ˜λ¬Έμžλ§‰μ„ λ”λΈ”ν΄λ¦­ν•˜μ‹œλ©΄ μ˜μƒμ΄ μž¬μƒλ©λ‹ˆλ‹€.

λ²ˆμ—­: Baechan Kim κ²€ν† : Jeong-Lan Kinser
00:07
When you hear the word symmetry,
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μ—¬λŸ¬λΆ„μ΄ "λŒ€μΉ­"μ΄λž€ 단어λ₯Ό 듀을 λ•Œ
00:09
maybe you picture a simple geometric shape
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μ—¬λŸ¬λΆ„μ€ μ•„λ§ˆ κ°„λ‹¨ν•œ λ„ν˜•κ·Έλ¦Όμ„ 상상할 κ²ƒμž…λ‹ˆλ‹€,
00:11
like a square or a triangle,
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μ‚¬κ°ν˜•μ΄λ‚˜ μ‚Όκ°ν˜•,
00:13
or the complex pattern on a butterfly's wings.
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λ˜λŠ”, λ‚˜λΉ„μ˜ λ‚ κ°œμœ„μ˜ λ³΅μž‘ν•œ λ¬΄λŠ¬μ²˜λŸΌμš”.
00:16
If you are artistically inclined,
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λ§Œμ•½ μ—¬λŸ¬λΆ„μ΄ 예술적인 κ²½ν–₯이 μžˆλ‹€λ©΄,
00:17
you might think of the subtle modulations of a Mozart concerto,
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μ—¬λŸ¬λΆ„μ€ μ•„λ§ˆλ„ λͺ¨μ°¨λ₯΄νŠΈμ˜ ν˜‘μ£Όκ³‘μ˜ λ―Έλ¬˜ν•œ λ³€ν™”,
00:20
or the effortless poise of a prima ballerina.
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λ˜λŠ” ν›Œλ₯­ν•œ λ°œλ ˆλ¦¬λ‚˜μ˜ μžμ„Έλ₯Ό 생각할지도 λͺ¨λ¦…λ‹ˆλ‹€.
00:23
When used in every day life,
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μΌμƒμƒν™œμ—μ„œ μ“°μΌλ•Œ,
00:25
the word symmetry represents vague notions of
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"λŒ€μΉ­"은 아름닀움, μ‘°ν™”, κ· ν˜•μ˜
00:27
beauty, harmony and balance.
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λͺ¨ν˜Έν•œ κ°œλ…μ˜ ν‘œλ³Έμ΄μ£ .
00:29
In math and science, symmetry has a different,
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μˆ˜ν•™μ μ΄κ³  과학적인 κ΄€μ μ—μ„œ, λŒ€μΉ­μ„±μ€ λ‹€λ₯΄κ³ 
00:33
and very specific, meaning.
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맀우 νŠΉμ •ν•œ, 의미λ₯Ό κ°€μ§‘λ‹ˆλ‹€.
00:35
In this technical sense,
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기술적 κ°κ°μœΌλ‘œλŠ”,
00:36
a symmetry is the property of an object.
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λŒ€μΉ­μ„±μ€ 물체의 κ³ μœ ν•œ λŠ₯λ ₯을 μ˜λ―Έν•©λ‹ˆλ‹€.
00:39
Pretty much any type of object can have symmetry,
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μ–΄λŠ μ’…λ₯˜μ˜ 물체이든 μƒλ‹Ήνžˆ λ§Žμ€ "λŒ€μΉ­μ„±"을 κ°€μ§‘λ‹ˆλ‹€,
00:42
from tangible things like butterflies,
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"λ‚˜λΉ„" 같이 μ‹€μ‘΄ν•˜λŠ” κ²ƒλ“€μ—μ„œλΆ€ν„°
00:44
to abstract entities like geometric shapes.
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κΈ°ν•˜ν•™μ  ν˜•νƒœκ°™μ€ 좔상적 λ…λ¦½μ²΄κΉŒμ§€μš”.
00:46
So, what does it mean for an object to be symmetric?
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그러면, 물체가 λŒ€μΉ­μ„±μ„ κ°–λŠ”λ‹€λŠ”κ²ƒμ€ 무엇을 μ˜λ―Έν•˜λŠ” κ²ƒμΌκΉŒμš”?
00:50
Here's the definition:
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μ—¬κΈ° κ·Έ μ •μ˜κ°€ μžˆμŠ΅λ‹ˆλ‹€:
00:51
a symmetry is a transformation that leaves that object unchanged.
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"λŒ€μΉ­μ„±"은 물체가 λ°”λ€Œμ§€ μ•Šμ€ μƒνƒœλ‘œ λ‚¨μ•„μžˆλŠ” λ³€ν˜•μž…λ‹ˆλ‹€.
00:56
Okay, that sounds a bit abstract, so let's unpack it.
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λ§žμ•„μš”, 그것은 μΆ”μƒμ μœΌλ‘œ 듀리죠, κ·Έλž˜μ„œ ν•œλ²ˆ 뢄석해 λ³΄κ² μŠ΅λ‹ˆλ‹€.
01:00
It will help to look at a particular example,
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νŠΉμ •ν•œ 예λ₯Ό κ΄€μ°°ν•˜λ©΄ μ΄ν•΄ν•˜κΈ° μ‰¬μšΈ κ²ƒμž…λ‹ˆλ‹€,
01:02
like this equilateral triangle.
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이 μ •μ‚Όκ°ν˜• κ°™μ€κ±Έλ‘œμš”.
01:04
If we rotate our triangle through 120 degrees,
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λ§Œμ•½ μš°λ¦¬κ°€
01:07
around an access through its center,
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κ·Έ 쀑심을 κΈ°μ€€μœΌλ‘œ μ‚Όκ°ν˜•μ„ 120'둜 νšŒμ „μ‹œν‚€λ©΄,
01:09
we end up with a triangle that's identical to the original.
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μš°λ¦¬λŠ” κ²°κ΅­ μ›ν˜•κ³Ό λ˜‘κ°™μ€ μ‚Όκ°ν˜•μ— λ„λ‹¬ν•˜κ²Œ 되죠.
01:12
In this case, the object is the triangle,
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이런 κ²½μš°μ—, λ¬Όμ²΄λŠ” μ‚Όκ°ν˜•μ΄ 되고
01:15
and the transformation that leaves the object unchanged
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물체가 λ°”λ€Œμ§€ μ•Šμ€ μƒνƒœλ‘œ λ‚¨μ•„μžˆλŠ” λ³€ν˜•μ€
01:17
is rotation through 120 degrees.
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120' νšŒμ „ μž…λ‹ˆλ‹€.
01:20
So we can say an equilateral triangle is symmetric
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κ·Έλž˜μ„œ μš°λ¦¬λŠ” μ •μ‚Όκ°ν˜•μ΄ "λŒ€μΉ­μ„±"을 가진닀고 말할 수 있죠,
01:23
with respect to rotations of 120 degrees around its center.
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κ·Έ μ€‘μ‹¬μœΌλ‘œ 120' νšŒμ „ν•œ 것에 λŒ€ν•΄μ„œμš”.
01:28
If we rotated the triangle by, say, 90 degrees instead,
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λŒ€μ‹ μ—, λ§Œμ•½ μš°λ¦¬κ°€ μ‚Όκ°ν˜•μ„ 90'둜 νšŒμ „μ‹œν‚¨λ‹€λ©΄,
01:32
the rotated triangle would look different to the original.
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νšŒμ „ν•œ μ‚Όκ°ν˜•μ€ μ›ν˜•κ³ΌλŠ” λ‹€λ₯΄κ²Œ λ³΄μΌκ²λ‹ˆλ‹€.
01:35
In other words, an equilateral triangle is not symmetric
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κ·Έλž˜μ„œ, κ·Έ μ€‘μ‹¬μœΌλ‘œ 90' νšŒμ „ν•œ 것에 λŒ€ν•˜μ—¬
01:38
with respect to rotations of 90 degrees around its center.
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μ •μ‚Όκ°ν˜•μ€ "λŒ€μΉ­μ„±"이 μ—†λŠ” κ²λ‹ˆλ‹€.
01:41
But why do mathematicians and scientists care about symmetries?
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ν•˜μ§€λ§Œ, μ™œ μˆ˜ν•™μžλ“€κ³Ό κ³Όν•™μžλ“€μ€ "λŒ€μΉ­μ„±"에 관심을 κ°€μ§ˆκΉŒμš”?
01:45
Turns out, they're essential in many fields of math and science.
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판λͺ…이 λœκ²ƒμ€, μˆ˜ν•™κ³Ό κ³Όν•™μ˜ λ§Žμ€ λΆ„μ•Όμ—μ„œ 그것듀은 ν•„μˆ˜μ μž…λ‹ˆλ‹€.
01:48
Let's take a close look at one example: symmetry in biology.
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생물학적 "λŒ€μΉ­μ„±"의 ν•œ 예λ₯Ό μžμ„Ένžˆ μ‚΄νŽ΄λ΄…μ‹œλ‹€.
01:52
You might have noticed that there's a very familiar kind of symmetry
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당신은 μ•„λ§ˆ μš°λ¦¬κ°€ 아직 μ–ΈκΈ‰ν•˜μ§€ μ•Šμ•˜λ˜
01:55
we haven't mentioned yet:
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"λŒ€μΉ­μ„±"κ³Ό 관계가 κΉŠμ€ 것이 μžˆλ‹€λŠ” 것을 μ•Œμ•„μ°¨λ Έμ„ κ²λ‹ˆλ‹€:
01:56
the symmetry of the right and left sides of the human body.
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인간 μ‹ μ²΄μ˜ 였λ₯Έμͺ½κ³Ό μ™Όμͺ½μ˜ λŒ€μΉ­μ΄μ£ .
01:59
The transformation that gives this symmetry is reflection
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이 λŒ€μΉ­μ„±μ„ μ£ΌλŠ” λ³€ν˜•μ€
02:02
by an imaginary mirror that slices vertically through the body.
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신체λ₯Ό 톡해 수직적으둜 μ‘°κ°λ‚΄λŠ” μƒμƒμ†μ˜ κ±°μšΈμ— μ˜ν•œ λ°˜μ‚¬μž…λ‹ˆλ‹€.
02:06
Biologists call this bilateral symmetry.
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μƒλ¬Όν•™μžλ“€μ€ 이λ₯Ό "μ–‘λ°©ν–₯의 λŒ€μΉ­"이라 λΆ€λ¦…λ‹ˆλ‹€.
02:09
As with all symmetries found in living things,
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μƒλ¬Όμ—μ„œ 찾은 λͺ¨λ“  λŒ€μΉ­μ΄λ―€λ‘œ
02:11
it's only approximate,
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그것은 단지 κ·Όμ‚¬μΉ˜μΌ λΏμ΄μ§€λ§Œ,
02:13
but still a striking feature of the human body.
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인간 μ‹ μ²΄μ˜ μ—¬μ „νžˆ μΈμƒκΉŠμ€ νŠΉμƒ‰μ΄μ£ .
02:16
We humans aren't the only bilaterally symmetric organisms.
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우리 μΈκ°„λ§Œμ΄ μ–‘μͺ½μœΌλ‘œ λŒ€μΉ­λ˜λŠ” μœ κΈ°μ²΄μΈκ²ƒμ€ μ•„λ‹™λ‹ˆλ‹€.
02:20
Many other animals, foxes, sharks, beetles,
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λ§Žμ€ 동물듀, μ—¬μš°, 상어, λ”±μ •λ²Œλ ˆ,
02:22
that butterfly we mentioned earlier,
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μš°λ¦¬κ°€ μ•žμ„œ μ–ΈκΈ‰ν–ˆλ˜ κ·Έ λ‚˜λΉ„ 듀은
02:24
have this kind of symmetry,
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이런 μ’…λ₯˜μ˜ λŒ€μΉ­μ„±μ„ κ°–μ£ ,
02:26
as do some plants like orchid flowers.
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λ‚œμ΄ˆ 꽃과 같은 식물이 κ°–λŠ”κ²ƒμ²˜λŸΌμš”.
02:29
Other organisms have different symmetries,
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λ‹€λ₯Έ μœ κΈ°μ²΄λ“€μ€
02:31
ones that only become apparent
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μ—¬λŸ¬λΆ„μ΄ 쀑심점 주변에 κ·Έ 생물체λ₯Ό νšŒμ „μ‹œν‚¬λ•Œ
02:32
when you rotate the organism around its center point.
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λΆ„λͺ…ν•˜κ²Œ λ˜λŠ” κ²ƒλ“€μ˜, λ‹€λ₯Έ λŒ€μΉ­μ„±μ„ 가지고 μžˆμŠ΅λ‹ˆλ‹€,
02:35
It's a lot like the rotational symmetry of the triangle we watched earlier.
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그것은 μš°λ¦¬κ°€ 이전에 봀던 μ‚Όκ°ν˜•μ˜ νšŒμ „λŒ€μΉ­κ³Ό 많이 λΉ„μŠ·ν•©λ‹ˆλ‹€.
02:38
But when it occurs in animals,
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κ·ΈλŸ¬λ‚˜ 그것이 λ™λ¬Όλ“€μ—κ²Œ μΌμ–΄λ‚ λ•Œ,
02:40
this kind of symmetry is known as radial symmetry.
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이런 μ’…λ₯˜μ˜ λŒ€μΉ­μ€ 방사성 λŒ€μΉ­μœΌλ‘œ μ•Œλ €μ‘ŒμŠ΅λ‹ˆλ‹€.
02:43
For instance, some sea urchins and starfish
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예λ₯Ό λ“€μ–΄, λͺ‡λͺ‡μ˜ μ„±κ²Œμ™€ λΆˆκ°€μ‚¬λ¦¬λŠ”
02:45
have pentaradial or five-fold symmetry,
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5λ°© 사상, λ˜λŠ” 5κ²Ή λŒ€μΉ­μ„ κ°–μŠ΅λ‹ˆλ‹€.
02:48
that is, symmetry with respect to rotations of 72 degrees around their center.
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그것은 κ·Έ 쀑심주변에 72'정도 νšŒμ „μ‹œν‚€λŠ” λŒ€μΉ­μž…λ‹ˆλ‹€.
02:53
This symmetry also appears in plants,
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이 λŒ€μΉ­μ€ μ‹λ¬Όμ—μ„œλ„ λ‚˜νƒ€λ‚©λ‹ˆλ‹€,
02:55
as you can see for yourself by slicing through an apple horizontally.
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μ—¬λŸ¬λΆ„μ΄ 사과λ₯Ό μˆ˜ν‰μœΌλ‘œ μ¨λŠ”κ²ƒμœΌλ‘œ μ—¬λŸ¬λΆ„ 슀슀둜 볼수 μžˆλŠ” κ²ƒμ²˜λŸΌμš”.
02:58
Some jellyfish are symmetric with respect to rotations of 90 degrees,
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일뢀 ν•΄νŒŒλ¦¬λ“€μ€ 90' νšŒμ „μ‹œν‚€λŠ” 것과 κ΄€λ ¨λœ λŒ€μΉ­μ λ‹ˆλ‹€.
03:02
while sea anemones are symmetric when you rotate them at any angle.
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λ°˜λ©΄μ—, μ•„λ„€λͺ¨λ„€λ“€μ€ μ–΄λ–€ κ°λ„λ‘œ νšŒμ „μ‹œμΌœλ„ λŒ€μΉ­μ΄μ£ .
03:05
Some corals, on the other hand, have no symmetry at all.
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λ‹€λ₯Έ ν•œνŽΈμœΌλ‘œ, 일뢀 μ‚°ν˜Έλ“€μ€ μ „ν˜€ λŒ€μΉ­μ΄ μ—†μŠ΅λ‹ˆλ‹€.
03:08
They are completely asymmetric.
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그것듀은 μ™„λ²½νžˆ λΉ„λŒ€μΉ­μ μ΄μ£ .
03:10
But why do organisms exhibit these different symmetries?
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κ·ΈλŸ¬λ‚˜ μ™œ μœ κΈ°μ²΄λ“€μ€ 이리 λ‹€λ₯Έ λŒ€μΉ­μ„ λ³΄μ—¬μ€„κΉŒμš”?
03:13
Does body symmetry tell us anything about an animal's lifestyle?
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μ‹ μ²΄μ˜ λŒ€μΉ­μ΄ μš°λ¦¬μ—κ²Œ λ™λ¬Όμ˜ 삢에 λŒ€ν•΄ λ­”κ°€ λ§ν•΄μ€„κΉŒμš”?
03:17
Let's look at one particular group:
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ν•˜λ‚˜μ˜ νŠΉμ • 집단을 μ‚΄νŽ΄λ΄…μ‹œλ‹€:
03:18
bilaterally symmetric animals.
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μ–‘λ°©ν–₯ λŒ€μΉ­μ„± λ™λ¬Όλ“€μ„μš”.
03:20
In this camp, we have foxes, beetles, sharks, butterflies,
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이 κ·Έλ£Ήμ—λŠ”, μ—¬μš°, λ”±μ •λ²Œλ ˆ, 상어, λ‚˜λΉ„
03:24
and, of course, humans.
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그리고 λ¬Όλ‘  μ‚¬λžŒμ΄ μžˆμŠ΅λ‹ˆλ‹€.
03:26
The thing that unites bilaterally symmetric animals
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μ–‘λ°©ν–₯ λŒ€μΉ­μ„± 동물듀을 ν•©μΉ˜λŠ” 것은
03:29
is that their bodies are designed around movement.
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κ·Έλ“€μ˜ λͺΈμ‹ μ²΄κ°€ μ›€μ§μž„μ˜ μ£Όμœ„λ‘œ λ””μžμΈ λ˜μ–΄μžˆλ‹€λŠ” κ²ƒμž…λ‹ˆλ‹€.
03:32
If you want to pick one direction and move that way,
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ν•œλ°©ν–₯을 μ„ νƒν•˜κ³  κ·Έμͺ½μœΌλ‘œ 움직이렀 ν•œλ‹€λ©΄,
03:34
it helps to have a front end
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그것이 선취뢀뢄을 μ„ νƒν•˜λŠ”λ° 도움을 μ£Όμ£ ,
03:36
where you can group your sensory organs--
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μ—¬λŸ¬λΆ„μ΄ 감각기관을 무리지을 수 μžˆμ–΄μš”--
03:38
your eyes, ears and nose.
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μ—¬λŸ¬λΆ„μ˜ 눈, κ·€ , μ½”λ‘œμš”.
03:40
It helps to have your mouth there too
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μ—¬λŸ¬λΆ„μ˜ μž…μ΄ κ±°κΈ°μžˆλŠ”κ²ƒλ„ 도움이 λ©λ‹ˆλ‹€,
03:42
since you're more likely to run into food
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μ—¬λŸ¬λΆ„μ΄ 이 μž…λμœΌλ‘œ μŒμ‹μ΄λ‚˜
03:44
or enemies from this end.
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μ μ—κ²Œ λ‹¬λ €κ°ˆ κ°€λŠ₯성이 더 많기 λ•Œλ¬Έμ΄μ£ .
03:46
You're probably familiar with a name for a group of organs,
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μ—¬λŸ¬λΆ„μ€ μ•„λ§ˆλ„ 신체기관 그룹에 λŒ€ν•œ 이름에 μΉœμˆ™ν• κ²λ‹ˆλ‹€,,
03:48
plus a mouth, mounted on the front of an animal's body.
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동물 μ‹ μ²΄μ˜ μ•žμ— 놓여진, μž…μ— λŒ€ν•œ 이름에 μΉœμˆ™ν• κ²λ‹ˆλ‹€,
03:51
It's called a head.
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그것은 '머리'라 λΆˆλ¦½λ‹ˆλ‹€.
03:53
Having a head leads naturally to the development of bilateral symmetry.
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머리λ₯Ό κ°–λŠ”κ²ƒμ€ μžμ—°μŠ€λŸ½κ²Œ μ–‘λ°©ν–₯ λŒ€μΉ­μ„ λ°œμ „μœΌλ‘œ 이끌죠.
03:57
And it also helps you build streamlined fins if you're a fish,
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그리고 λ§Œμ•½ μ—¬λŸ¬λΆ„μ΄ μ–΄λ₯˜λΌλ©΄ μœ μ„ ν˜• λΉ„λŠ˜μ„ λ§Œλ“œλŠ”λ°,
04:00
aerodynamic wings if you're a bird,
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μ‘°λ₯˜λΌλ©΄, 곡기역학적 λ‚ κ°œλ₯Ό λ§Œλ“œλŠ”λ°,
04:02
or well coordinated legs for running if you're a fox.
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λ˜λŠ”, μ—¬μš°λΌλ©΄, λ‹¬λ¦¬κΈ°μœ„ν•΄ 잘 μž‘μš©ν•˜λŠ” 닀리λ₯Ό λ§Œλ“œλŠ”λ° 도움을 μ€λ‹ˆλ‹€.
04:05
But, what does this all have to do with evolution?
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κ·ΈλŸ¬λ‚˜, 무엇이 μ΄λ ‡κ²Œ μ§„ν™”ν•˜κ²Œ λ§Œλ“€μ—ˆμ„κΉŒμš”?
04:08
Turns out, biologists can use these various body symmetries
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판λͺ…λœ 것은, μƒλ¬Όν•™μžλ“€μ€ μ΄λŸ¬ν•œ λ‹€μ–‘ν•œ 신체 λŒ€μΉ­μ„ μ΄μš©ν•  수 μžˆλ‹€λŠ” κ±°μ£ ,
04:11
to figure out which animals are related to which.
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μ–΄λ–€ 동물듀이 어것과 연관이 μžˆλŠ”μ§€ μ•Œμ•„λ‚΄κΈ° μœ„ν•΄μ„œ 말이죠.
04:14
For instance, we saw that starfish and sea urchins have five-fold symmetry.
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예λ₯Όλ“€μ–΄, μ €ν¬λŠ” λΆˆκ°€μ‚¬λ¦¬μ™€ μ„±κ²Œκ°€ 5κ²Ή λŒ€μΉ­μ΄λΌλŠ” 것을 λ³΄μ•˜μŠ΅λ‹ˆλ‹€.
04:18
But really what we should have said was
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κ·ΈλŸ¬λ‚˜, μ •λ§λ‘œ 저희가 말해 λ“œλ €μ•Ό ν–ˆλ˜ 것은
04:20
adult starfish and sea urchins.
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성체인 λΆˆκ°€μ‚¬λ¦¬μ™€ μ„±κ²Œμž…λ‹ˆλ‹€.
04:21
In their larval stage, they're bilateral, just like us humans.
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κ·Έλ“€μ˜ 유좩 λ‹¨κ³„μ—μ„œλŠ”, 인간이 κ·ΈλŸ°κ²ƒμ²˜λŸΌ 그듀은 μ–‘λ°©ν–₯ λŒ€μΉ­μž…λ‹ˆλ‹€.
04:25
For biologists, this is strong evidence
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μƒλ¬Όν•™μžλ“€μ—κ²Œ, 이것은 κ°•λ ₯ν•œ 증거이죠,
04:27
that we're more closely related to starfish
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저희가 λΆˆκ°€μ‚¬λ¦¬μ™€ 더 많이 깊게 μ—°κ²°λ˜μ—ˆλ‹€λŠ” κ²λ‹ˆλ‹€,
04:29
than we are, to say, corals,
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μš°λ¦¬κ°€ μ‚°ν˜Έλ‚˜, λ˜λŠ” κ·Έλ“€μ˜ μ„±μž₯μ—μ„œ μ–΄λ–€ λ‹¨κ³„μ—μ„œλ„
04:31
or other animals that don't exhibit bilateral symmetry
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04:33
at any stage in their development.
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λ‹€λ₯Έλ™λ¬Όλ“€κ³Ό 더 깊게 μ—°κ²°λ˜μ—ˆλ‹€κ³  λ§ν•˜λŠ” κ²ƒλ³΄λ‹€λŠ”μš”.
04:35
One of the most fascinating and important problems in biology
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μƒλ¬Όν•™μ—μ„œ κ°€μž₯ 맀혹적이고 μ€‘μš”ν•œ λ¬Έμ œλŠ”
04:38
is reconstructing the tree of life,
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μ‚Άμ˜ 계톡도λ₯Ό μž¬κ±΄μΆ•ν•˜λŠ” 것이죠,
04:40
discovering when and how the different branches diverged.
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μ–Έμ œ 그리고 μ–΄λ–»κ²Œ λ‹€λ₯Έ 계톡듀이 κ°ˆλΌμ‘ŒλŠ”μ§€ λ°œκ²¬ν•˜λ©΄μ„œμš”.
04:44
Thinking about something as simple as body symmetry
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μ‹ μ²΄μ˜ λŒ€μΉ­μ²˜λŸΌ κ°„λ‹¨ν•œ 어떀것을 μƒκ°ν•˜λŠ” 것은
04:46
can help us dig far into our evolutionary past
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우리의 μ§„ν™”μ˜ κ³Όκ±°λ₯Ό 깊게 νŒŒν—€μΉ˜λŠ” 것과
04:49
and understand where we, as a species, have come from.
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μš°λ¦¬κ°€, ν•˜λ‚˜μ˜ μ’…μœΌλ‘œμ„œ, μ–΄λ””μ„œ μ˜¨κ²ƒμΈμ§€ μ΄ν•΄ν•˜λŠ” 것을 λ„μšΈμˆ˜ μžˆμŠ΅λ‹ˆλ‹€.
이 μ›Ήμ‚¬μ΄νŠΈ 정보

이 μ‚¬μ΄νŠΈλŠ” μ˜μ–΄ ν•™μŠ΅μ— μœ μš©ν•œ YouTube λ™μ˜μƒμ„ μ†Œκ°œν•©λ‹ˆλ‹€. μ „ 세계 졜고의 μ„ μƒλ‹˜λ“€μ΄ κ°€λ₯΄μΉ˜λŠ” μ˜μ–΄ μˆ˜μ—…μ„ 보게 될 κ²ƒμž…λ‹ˆλ‹€. 각 λ™μ˜μƒ νŽ˜μ΄μ§€μ— ν‘œμ‹œλ˜λŠ” μ˜μ–΄ μžλ§‰μ„ 더블 ν΄λ¦­ν•˜λ©΄ κ·Έκ³³μ—μ„œ λ™μ˜μƒμ΄ μž¬μƒλ©λ‹ˆλ‹€. λΉ„λ””μ˜€ μž¬μƒμ— 맞좰 μžλ§‰μ΄ μŠ€ν¬λ‘€λ©λ‹ˆλ‹€. μ˜κ²¬μ΄λ‚˜ μš”μ²­μ΄ μžˆλŠ” 경우 이 문의 양식을 μ‚¬μš©ν•˜μ—¬ λ¬Έμ˜ν•˜μ‹­μ‹œμ˜€.

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