"Although we human adults are really good at understanding other minds, we weren't always that way." - Rebecca Saxe James Duncan Davidson/TED hide caption

itoggle caption James Duncan Davidson/TED

"Once I awoke...I could not walk, talk, read, write; I could not recall any of the details of my life. Jill Bolte-Taylor died that day." - Jill Bolte-Taylor Andrew Heavens/TED hide caption

itoggle caption Andrew Heavens/TED

"Human cognitive science and cognitive neuroscience are starting to give us an answer to...who we are as thinkers." - Nancy Kanwisher James Duncan Davidson/TED hide caption

itoggle caption James Duncan Davidson/TED

"Understanding consciousness is a real key, I think, both to understanding the universe and to understanding ourselves." - David Chalmers James Duncan Davidson/TED hide caption

itoggle caption James Duncan Davidson/TED

A slice of pork belly, with a thick layer of fat. "If we confirm that fat is a basic taste quality, it's the equivalent of saying chartreuse is a primary color," Richard Mattes of Purdue University says. "It changes our basic understanding of what taste is." Xiao He/Flickr hide caption

itoggle caption Xiao He/Flickr

Robert Davies (standing) and the quartet during a performance of "The Crossroads Project." Musicians include (left to right) Robert Waters, Rebecca McFaul, Anne Francis Bayless and Bradley Ottesen. Andrew McCallister /Courtesy of The Crossroads Project hide caption

itoggle caption Andrew McCallister /Courtesy of The Crossroads Project

Residents of ShantiNiketan, a retirement community near Orlando, Fla., walk in a Hindu religious procession. Courtesy of ShantiNiketan Inc. hide caption

itoggle caption Courtesy of ShantiNiketan Inc.

"You can choose to be a vegetarian, but don't think that just because you've made that decision, bacon suddenly stops smelling good." - Christopher Ryan James Duncan Davidson/TED hide caption

itoggle caption James Duncan Davidson/TED

Research into how the human brain develops helps explain why teens have trouble controlling impulses. Leigh Wells/Ikon Images/Corbis hide caption

itoggle caption Leigh Wells/Ikon Images/Corbis

Since November 2004, PostSecret founder Frank Warren has received more than 500,000 postcards with secrets written on them. James Duncan Davidson/TED hide caption

itoggle caption James Duncan Davidson/TED

Unless there's a serious pileup, ants in traffic tend to bypass a collision and just keep going. A physicist has found a way to model this behavior with a mathematical equation. iStockphoto hide caption

itoggle caption iStockphoto

Bar-headed geese tend to follow the sharp ups and downs of the Himalayas as they migrate, research finds. John Downer/Nature Picture Library/Corbis hide caption

itoggle caption John Downer/Nature Picture Library/Corbis