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82,176 views
2007-06-28
Dangerous memes | Dan Dennett
501,225 views
2007-07-03
Jonathan Harris: The Web's secret stories
83,939 views
2007-07-10
Emily Oster: What do we really know about the spread of AIDS?
29,577 views
2007-07-16
Will Wright: Spore, birth of a game
59,665 views
2007-07-17
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779,286 views
2007-07-19
David Bolinsky: Visualizing the wonder of a living cell
206,598 views
2007-07-24
Allison Hunt: How I got my new hip
17,146 views
2007-07-26
William Kamkwamba: How I built a windmill
1,221,556 views
2007-08-01
George Ayittey: Cheetahs vs. Hippos for Africa's future
87,743 views
2007-08-01
Ngozi Okonjo-Iweala: Let's have a deeper discussion on aid
42,362 views
2007-08-01
Euvin Naidoo: Africa as an investment
18,960 views
2007-08-01
Patrick Awuah: Educating a new generation of African leaders
85,631 views
2007-08-08
Chris Abani on the stories of Africa
34,288 views
2007-08-09
Jacqueline Novogratz: Tackling poverty with "patient capita
27,076 views
2007-08-14
Vusi Mahlasela: "Thula Mama"
170,929 views
2007-08-16
Jeff Skoll: Making movies that make change
42,037 views
2007-08-23
Dean Kamen: New prosthetic arm for veterans
72,447 views
2007-08-28
Erin McKean: The joy of lexicography
71,861 views
2007-08-30
Andrew Mwenda: Let's take a new look at African aid
109,096 views
2007-09-04
My creations, a new form of life | Theo Jansen
1,390,218 views
2007-09-06
The surprising decline in violence | Steven Pinker
473,715 views
2007-09-11
Steven Pinker: What our language habits reveal
436,889 views
2007-09-11
Deborah Scranton: Scenes from "The War Tapes"
29,537 views
2007-09-18
Zeresenay Alemseged: Finding the origins of humanity
60,231 views
2007-09-18
John Maeda: Designing for simplicity
104,970 views
2007-09-20
Stephen Petranek: 10 ways the world could end
127,072 views
2007-10-11
Paul MacCready: Flying on solar wings
222,851 views
2007-10-11
Carolyn Porco: This is Saturn
55,882 views
2007-10-12
Kenichi Ebina: Hip-hop dance and a little magic
122,644 views
2007-10-13
Life at 30,000 feet | Richard Branson
354,754 views
2007-10-13
Hod Lipson: Robots that are "self-aware"
117,128 views
2007-10-13
Maira Kalman: The illustrated woman
44,593 views
2007-10-16
Paul Rothemund: Casting spells with DNA
41,902 views
2007-10-18
3 clues to understanding your brain | VS Ramachandran
738,425 views
2007-10-23
Eleni Gabre-Madhin: Building a commodities market in Ethiopia
87,573 views
2007-10-26
Sherwin Nuland: How electroshock therapy changed me
299,766 views
2007-10-30
David Keith: A surprising idea for "solving" climate change
92,504 views
2007-11-15
Juan Enriquez: Using biology to rethink the energy challenge
59,206 views
2007-11-15
Laws that choke creativity | Larry Lessig
467,403 views
2007-11-15
Robert Full: Secrets of movement, from geckos and roaches
34,460 views
2007-12-04
Philippe Starck: Design and destiny
340,876 views
2007-12-04
Larry Brilliant: The case for informed optimism
32,949 views
2007-12-07
Ron Eglash: The fractals at the heart of African designs
128,877 views
2007-12-07
Murray Gell-Mann: Beauty and truth in physics
279,031 views
2007-12-07
Amory Lovins: We must win the oil endgame
56,633 views
2008-01-09
Lightning calculation and other "mathemagic" | Arthur Benjamin
1,750,994 views
2008-01-09
Daniel Goleman: Why arent we all Good Samaritans?
327,644 views
2008-01-09