Neanderthals may have started weaning their young from seven months of age and transferred them to solid food by just over a year, a fossil tooth study said Wednesday.
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Analyses of the longest continental sediment core ever collected in the Arctic, recently completed by an international team led by Julie Brigham-Grette of the University of Massachusetts Amherst, provide ...
May 09, 2013
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Most species of gigantic animals that once roamed Australia had disappeared by the time people arrived, a major review of the available evidence has concluded.
May 06, 2013
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(Phys.org) —The discovery pushes back the roots of agriculture in China by 12,000 years. The global emergence of similar practices around 23,000 years ago hints that agriculture evolved independently around ...
May 03, 2013
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(Phys.org) —Researchers have solved the riddle of how one of Africa's greatest civilisations survived a catastrophic drought which wiped out other famous dynasties. Geomorphologists and dating specialists from The Universities ...
Apr 29, 2013
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Earth was cooling until the end of the 19th century and a hundred years later, the planet's surface was on average warmer than at any time in the previous 1,400 years, according to climate records presented ...
Apr 21, 2013
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Two annually dated ice cores drawn from the tropical Peruvian Andes reveal Earth's tropical climate history in unprecedented detail—year by year, for nearly 1,800 years.
Apr 04, 2013
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NASA's Solar Radiation and Climate Experiment (SORCE) satellite has been providing data on the sun's irradiance for 10 years. SORCE measures electromagnetic radiation produced by the sun and the power per ...
Apr 01, 2013
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(Phys.org) —Citizen-scientists around the world are poring through digital versions of 19th century logbooks of mariners who sailed from Pacific Northwest and California ports to explore the Arctic and ...
Mar 29, 2013
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Neanderthals' bigger eyes and bodies meant they had less brain space to dedicate to social networking, which may explain why they died out and Homo sapiens conquered the planet, according to a new study.
Mar 13, 2013
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University of Delaware scientists are embarking to a remote research destination, braving freezing temperatures and high winds to study changes in Arctic sea ice. Their field site is a frozen expanse of the ...
Mar 01, 2013
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(Phys.org)—Earth's most recent shift to a warm climate began with intense summer sun in the Northern Hemisphere, the first pressure on a seesaw that tossed powerful forces between the planet's poles until ...
Feb 07, 2013
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Seen by some as emblematic of the Mediterranean landscape and cuisine, the olive tree in fact has its domesticated roots in Kurdish regions, said a study Wednesday that seeks to settle an age-old debate.
Feb 06, 2013
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Microscopic ocean algae called coccolithophores are providing clues about the impact of climate change both now and many millions of years ago. The study found that their response to environmental change ...
Feb 04, 2013
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