Σάββατο, 17 Μαΐου 2014

ScienceDaily: Most Popular News

ScienceDaily: Most Popular News


Oldest most complete, genetically intact human skeleton in New World

Posted: 15 May 2014 11:27 AM PDT

In a paper released today in the journal Science, an international team of researchers and cave divers present the results of an expedition that discovered a near-complete early American human skeleton with an intact cranium and preserved DNA. The remains were found surrounded by a variety of extinct animals more than 40 meters (130 feet) below sea level in Hoyo Negro, a deep pit within the Sac Actun cave system on Mexico's Yucatán Peninsula.

Jupiter's Great Red Spot is smaller than ever seen before

Posted: 15 May 2014 07:36 AM PDT

Recent Hubble observations confirm that Jupiter's Great Red Spot, a swirling storm feature larger than Earth, has shrunken to the smallest size astronomers have ever measured. Jupiter's Great Red Spot is a churning anticyclonic storm.

Is ADHD An Advantage For Nomadic Tribesmen?

Posted: 09 Jun 2008 04:56 PM PDT

A propensity for attention deficit hyperactivity disorder might be beneficial to a group of Kenyan nomads, according to new research in BMC Evolutionary Biology. Scientists have shown that an ADHD-associated version of the gene DRD4 is associated with better health in nomadic tribesmen, and yet may cause malnourishment in their settled cousins.

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