Best TED talks
Jon Ronson, author of The Psychopath Test, looks at the grey area between crazy and sane.
Stephen Wolfram wants to use computation to build a theory of everything.
David Christian's Big History stretches from the big bang to today.
Philip Howard says we should take back responsibility for doing the right thing.
Hans Rosling on religions and babies, good news about child mortality and global population growth, says let my dataset change your mindset, shows the best stats you've ever seen, reveals new insights on poverty and AIDS, praises washing machines.
Clay Shirky introduces a new kind of gift based on surplus energy and generosity. This is one.
Esther Duflo on social experiments to fight poverty.
Emily Pilloton on teaching design for change.
Ben Goldacre: Battling Bad Science
Temple Grandin says the world needs all kinds of minds.
Seth Priebatsch plans games to motivate many activities.
Larry Lessig says the law is strangling creativity.
Geoffrey West on the growth of cities.
Those are Dick Heiser's favorites. Here are some more favorites from others: