Favorite talks
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Eric Sanderson pictures New York -- before the City
16:09 Posted: Oct 2009
Views: 380,849 | Comments: 40
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David Logan: Tribal leadership
16:39 Posted: Oct 2009
Views: 540,988 | Comments: 227
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Eric Giler demos wireless electricity
10:09 Posted: Aug 2009
Views: 1,497,761 | Comments: 378
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Michael Pritchard: How to make filthy water drinkable
09:31 Posted: Aug 2009
Views: 1,545,914 | Comments: 639
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Elaine Morgan says we evolved from aquatic apes
17:13 Posted: Jul 2009
Views: 544,495 | Comments: 560
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Jane Poynter: Life in Biosphere 2
15:53 Posted: Jun 2009
Views: 394,137 | Comments: 98
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Kamal Meattle: How to grow fresh air
04:04 Posted: Mar 2009
Views: 1,485,391 | Comments: 154
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Bill Gates: Mosquitos, malaria and education
20:16 Posted: Feb 2009
Views: 1,384,939 | Comments: 435
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Dan Gilbert: Why we make bad decisions
33:38 Posted: Dec 2008
Views: 1,370,328 | Comments: 181
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Kwabena Boahen on a computer that works like the brain
16:22 Posted: Jul 2008
Views: 303,489 | Comments: 83