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Never, ever give up | Diana Nyad
1,984,099 views
2013-12-23
Peter Attia: What if we're wrong about diabetes?
2,623,967 views
2013-06-25
Peter Singer: The why and how of effective altruism
650,637 views
2013-05-20
Misha Glenny: Hire the hackers!
110,696 views
2011-09-13
Mikko Hypponen: Fighting viruses, defending the net
267,047 views
2011-07-20
Patrick Awuah: Educating a new generation of African leaders
85,487 views
2007-08-08
Nick Bostrom: Humanity's biggest problems aren't what you think they are
111,141 views
2007-05-16