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Birds, a perennial human fascination, entertained medieval homes long before science took them for serious study. "Wisdom of Birds" author Tim Birkhead tours some intriguing birdwatcher lore (dug up in old field journals) -- and talks about the role it plays in ornithology today.
Naturalist and author Tim Birkhead studies the reproductive biology and behavior of birds. Full bio »
Curated by TED
Take this tour of medicine's future with some of the trailblazing doctors charting its course. Once you've seen a transplantable human kidney...
Curated by TED
For some, just living can be a trying experience. Hear beautiful, intimate and ultimately uplifting stories of challenge -- from making a new home...
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