Beware online “filter bubbles” | Eli Pariser

http://www.ted.com As web companies strive to tailor their services (including news and search results) to our personal tastes, there’s a

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Kwabena Boahen: Making a computer that works like the brain

http://www.ted.com Researcher Kwabena Boahen is looking for ways to mimic the brain’s supercomputing powers in silicon — because the messy,

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Todd Humphreys: How to fool a GPS

Todd Humphreys forecasts the near-future of geolocation when millimeter-accurate GPS “dots” will enable you to find pin-point locations, index-search your

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Nancy Kanwisher: A neural portrait of the human mind

Brain imaging pioneer Nancy Kanwisher, who uses fMRI scans to see activity in brain regions (often her own), shares what

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One seed at a time, protecting the future of food | Cary Fowler

http://www.ted.com The varieties of wheat, corn and rice we grow today may not thrive in a future threatened by climate

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Catherine Mohr: Surgery’s past, present and robotic future

http://www.ted.com Surgeon and inventor Catherine Mohr tours the history of surgery (and its pre-painkiller, pre-antiseptic past), then demos some of

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Finding planets around other stars | Lucianne Walkowicz

http://www.ted.com How do we find planets — even habitable planets — around other stars? By looking for tiny dimming as

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Mitch Resnick: Let’s teach kids to code

Coding isn’t just for computer whizzes, says Mitch Resnick of MIT Media Lab — it’s for everyone. In a fun,

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Take “the Other” to lunch | Elizabeth Lesser

http://www.ted.com There’s an angry divisive tension in the air that threatens to make modern politics impossible. Elizabeth Lesser explores the

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How childhood trauma affects health across a lifetime | Nadine Burke Harris

Childhood trauma isn’t something you just get over as you grow up. Pediatrician Nadine Burke Harris explains that the repeated

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