David Rockwell: Building the Ground Zero viewing platform
10,899 views
2007-06-20
Stephen Lawler: Look! Up in the sky! It's Virtual Earth!
19,119 views
2007-06-21
Blaise Aguera y Arcas: Jaw-dropping Photosynth demo
45,680 views
2007-06-26
New insights on poverty | Hans Rosling
424,794 views
2007-06-26
Inside the world's deepest caves | Bill Stone
82,177 views
2007-06-28
Dangerous memes | Dan Dennett
501,243 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?
29,580 views
2007-07-16
The 4 a.m. mystery | Rives
779,309 views
2007-07-19
David Bolinsky: Visualizing the wonder of a living cell
206,603 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
1,221,729 views
2007-08-01
George Ayittey: Cheetahs vs. Hippos for Africa's future
87,748 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
18,961 views
2007-08-01
Patrick Awuah: Educating a new generation of African leaders
85,640 views
2007-08-08
Chris Abani on the stories of Africa
34,289 views
2007-08-09
Jacqueline Novogratz: Tackling poverty with "patient capita
27,076 views
2007-08-14
Vusi Mahlasela: "Thula Mama"
170,936 views
2007-08-16
Jeff Skoll: Making movies that make change
42,041 views
2007-08-23
Dean Kamen: New prosthetic arm for veterans
72,448 views
2007-08-28
Erin McKean: The joy of lexicography
71,872 views
2007-08-30
Andrew Mwenda: Let's take a new look at African aid
109,100 views
2007-09-04
My creations, a new form of life | Theo Jansen
1,390,230 views
2007-09-06
The surprising decline in violence | Steven Pinker
473,727 views
2007-09-11
Steven Pinker: What our language habits reveal
436,904 views
2007-09-11
Deborah Scranton: Scenes from "The War Tapes"
29,538 views
2007-09-18
Zeresenay Alemseged: Finding the origins of humanity
60,232 views
2007-09-18
John Maeda: Designing for simplicity
104,976 views
2007-09-20
Stephen Petranek: 10 ways the world could end
127,078 views
2007-10-11
Paul MacCready: Flying on solar wings
222,857 views
2007-10-11
Carolyn Porco: This is Saturn
55,886 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
354,783 views
2007-10-13
Hod Lipson: Robots that are "self-aware"
117,128 views
2007-10-13
Maira Kalman: The illustrated woman
44,597 views
2007-10-16
Paul Rothemund: Casting spells with DNA
41,904 views
2007-10-18
3 clues to understanding your brain | VS Ramachandran
738,452 views
2007-10-23
Eleni Gabre-Madhin: Building a commodities market in Ethiopia
87,577 views
2007-10-26
Sherwin Nuland: How electroshock therapy changed me
299,813 views
2007-10-30
David Keith: A surprising idea for "solving" climate change
92,508 views
2007-11-15
Juan Enriquez: Using biology to rethink the energy challenge
59,208 views
2007-11-15
Laws that choke creativity | Larry Lessig
467,420 views
2007-11-15
Robert Full: Secrets of movement, from geckos and roaches
34,469 views
2007-12-04
Philippe Starck: Design and destiny
340,895 views
2007-12-04
Larry Brilliant: The case for informed optimism
32,950 views
2007-12-07
Ron Eglash: The fractals at the heart of African designs
128,896 views
2007-12-07
Murray Gell-Mann: Beauty and truth in physics
279,055 views
2007-12-07