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Late-surviving megafauna exposed by ancient DNA in frozen soil
Dec 15, 2009 |
4.5 / 5 (2) |
0
Extinct woolly mammoths and ancient American horses may have been grazing the North American steppe for several thousand years longer than previously thought. After plucking ancient DNA from frozen soil in ...
French find puts humans in Europe 200,000 years earlier
Other Sciences / Archaeology & Fossils
Dec 15, 2009 |
4.2 / 5 (13) |
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Experts on prehistoric man are rethinking their dates after a find in a southern French valley suggested our ancestors may have reached Europe 1.57 million years ago: 200,000 years earlier than we thought.
Earth's atmosphere came from outer space, find scientists
Space & Earth / Earth Sciences
Dec 10, 2009 |
4.2 / 5 (29) |
12
(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 ...
Soup can reopens mystery of doomed Franklin Expedition
Dec 15, 2009 |
4.6 / 5 (8) |
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(PhysOrg.com) -- Lead levels that are "off the scale" have been confirmed after tests were done this morning on the lid of a soup can dating back more than 150 years. The findings reopen the mystery surrounding ...
Student self-testing earns high marks as study tool
Medicine & Health / Psychology & Psychiatry
Dec 10, 2009 |
5 / 5 (2) |
0
College students who pore over their notes again and again as they prep for finals could use their studying time more wisely, according to new learning research from Purdue University.
The future of organic ornamental plants
Dec 11, 2009 |
not rated yet |
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Whether plants are grown for food or ornamental use, conventional agricultural production methods have the same environmental impact. Pesticides, herbicides, and chemical fertilizers can find their way into ...
Parents: Be mindful of hazardous holiday ornaments
Dec 14, 2009 |
not rated yet |
0
A new study from Children's Hospital Boston's Division of Emergency Medicine has found that holiday decorations, particularly glass ornaments, are one more safety hazard parents must consider during the season. ...
Sparkly Spiders and Photonic Fish
Dec 09, 2009 |
4.5 / 5 (2) |
0
(PhysOrg.com) -- Scientists in Israel and the UK have uncovered the details of how certain fish and spiders create their iridescent scales and silvery skins.
Minimally invasive surgery removes sinus tumor without facial disfiguration
Dec 14, 2009 |
not rated yet |
0
Only about one in 2,000 people in the United States get a sinus tumor, but Johnnie Wilcox was one of the unfortunate few.
DNA study sheds new light on horse evolution
Dec 10, 2009 |
5 / 5 (4) |
48
(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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