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Colorful 32,000-year-old fibers prove to be some of the world's oldest

Archeologists have uncovered a veritable tangle of ancient flax fibers in a cave in the Republic of Georgia. The find consists of tiny bits of flax fibers that had been spun—and in some cases dyed—by upper Paleolithic hunters who occupied the cave intermittently beginning some 32,000 years ago...

September 10, 2009 — Katherine Harmon

Can fearful memories be erased?

In the movie Eternal Sunshine of the Spotless Mind , Joel and Clementine's relationship ends so sourly that the couple elects to have their mutual memories swept away via a non-surgical procedure called "targeted memory erasure." No such tool actually exists...

September 3, 2009 — Lynne Peeples

Common good is best achieved through rewards, not punishment

To promote the common good, should helpers be rewarded, or should free riders be punished? Although the bulk of previous research has fingered punishment as the best enforcer, a new study published online today in Science found that rewards are more effective...

September 3, 2009 — Katherine Harmon

Music to Monkeys' Ears? Try Metallica, or the Metro

Music is known to induce terror and tears, as well as inspire dance. Even basic human speech itself is laced with emotional direction: a musical pattern of long drawn out sounds versus short brief ones can be the difference between calming and exciting a child...

September 2, 2009 — Lynne Peeples

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