News tagged with ancient

Earth's atmosphere came from outer space, find scientists

9 hours ago | 4.1 / 5 (13) | 4

(PhysOrg.com) -- The gases which formed the Earth's atmosphere - and probably its oceans - did not come from inside the Earth but from outer space, according to a study by University of Manchester and University ...

DNA study sheds new light on horse evolution

Biology / Evolution

14 hours ago | 5 / 5 (2) | 30

(PhysOrg.com) -- Ancient DNA retrieved from extinct horse species from around the world has challenged one of the textbook examples of evolution - the fossil record of the horse family Equidae over the past ...

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Studying hair of ancient Peruvians answers questions about stress

Other Sciences / Archaeology & Fossils

Dec 09, 2009 | 4 / 5 (3) | 0

(PhysOrg.com) -- Recent studies show that one in three Canadians suffer from stress and the number is on the rise. But stress isn't a new problem.

You may be ready for online ritual suicide with the aid of a new website that helps you kill your virtual identity

'Anti-social network' aims to be Facebook killer app

Technology / Internet

14 hours ago | 5 / 5 (1) | 0

Facebook makes you despair? Social networking makes you want to end it all? You may be ready for online ritual suicide with the aid of a new website that helps you kill your virtual identity.

Penn State scientist at center of a storm

Space & Earth / Earth Sciences

Dec 09, 2009 | 4 / 5 (8) | 4

A few words culled from some hacked e-mails in Britain have generated chaos in the world of climate science -- throwing dark clouds over Pennsylvania State University and stirring up negative publicity for the field that ...

The Meandering Channels of Mars

Space & Earth / Space Exploration

6 hours ago | 2.5 / 5 (2) | 2

Sinuous channels on the Martian surface may be evidence of relatively recent rainfall. Researchers plan to test this hypothesis by studying sinuous streams on Earth.