TED: Rose Goslinga: Crop insurance, an idea worth seeding

http://www.ted.com/talks/rose_goslinga_crop_insurance_an_idea_worth_seeding

TED: Martin Rees: Can we prevent the end of the world?

http://www.ted.com/talks/martin_rees_can_we_prevent_the_end_of_the_world

TED: Tim Berners-Lee: A Magna Carta for the web

http://www.ted.com/talks/tim_berners_lee_a_magna_carta_for_the_web

TED: Clint Smith: The danger of silence

http://www.ted.com/talks/clint_smith_the_danger_of_silence

TED: Eric Liu: Why ordinary people need to understand civic power

http://www.ted.com/talks/eric_liu_why_ordinary_people_need_to_understand_power

TED: Nick Hanauer: Beware, fellow plutocrats, the pitchforks are coming

http://www.ted.com/talks/nick_hanauer_beware_fellow_plutocrats_the_pitchforks_are_coming

TED: Janet Iwasa: How animations can help scientists test a hypothesis

http://www.ted.com/talks/janet_iwasa_how_animations_can_help_scientists_test_a_hypothesis

TED: Hubertus Knabe: The dark secrets of a surveillance state

http://www.ted.com/talks/hubertus_knabe_the_dark_secrets_of_a_surveillance_state