Archive for the ‘Human Behavior’ Category

Pacific migrations: New evidence on ancient human voyages - Thursday, September 27th, 2007

A stone tool discovered in Polynesia came from Hawaii — 2500 miles away. Modern analytical techniques show that Polynesians did sail thousands of miles across the ocean — without a compass.

Toddler’s “vocabulary explosion,” explained - Thursday, August 2nd, 2007

A toddler suddenly begins to learn 10 words a day. Does this reflect some innate genius for language, or could it have a less dramatic explanation? New research de-glamorizes the vocab explosion.

With a little help from a chimp? - Thursday, July 5th, 2007

Are humans the only animals that will help another animal without any expectation of reward? Not according to a recent study, which shows they’re willing to help unrelated apes.

Barbecue season approaches: What’s so great about open fire? - Thursday, May 17th, 2007

The ancients used fire to cook, smelt metal and make pots. It provided warmth, protection against animals, and became a social focus. Fire changed who we are. Could this explain the enduring allure of fire?

A Brotherhood of Chimps - Thursday, April 26th, 2007

Cooperation is a classic human trait, but chimps do it too. A new study sheds light on the “what’s-in-it-for-me” angle of cooperation: It’s good for your genes.

Dramatic Rescue in the Wild! - Thursday, January 25th, 2007

Woman is rescued in wilderness after 5-week ordeal. What is so great about wilderness, and why do so many people think they need it to soothe their souls?

Depression: Nothing but the Blues - Thursday, September 7th, 2006

Depression causes more disability than diabetes, cancer or stroke. What causes depression? How is it treated? Can we improve treatment?

Stereotypes, Grades and Race: Breakthrough? - Thursday, August 31st, 2006

Too good to be true: Could a 15-minute essay on your personal values improve school performance among minority students? A new study says yes.

Katrina + 1: Where Should We Rebuild? - Thursday, August 24th, 2006

It’s a fact of life: Hurricanes and floods happen. So why are people rebuilding in the path of storms and floods? Is there a smarter way to plan development?

“Nature Deficit Disorder”: Should We Worry? - Thursday, July 27th, 2006

As kids spend more times indoors, experts wonder what is being lost. Do humans need nature?

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