Did a shift in the way infants were weaned give early humans an evolutionary advantage over their Neanderthal cousins? Scientists have long speculated that a change to earlier weaning played a key role in human development, ...
Archaeology
Jun 4, 2013
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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.
Archaeology
May 22, 2013
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Scientists from the Smithsonian and the University of Rhode Island have found unsuspected linkages between the oxidation state of iron in volcanic rocks and variations in the chemistry of the deep Earth. Not only do the trends ...
Earth Sciences
May 2, 2013
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This Sunday, people around the world celebrated Chinese New Year with firework displays and sparklers, but new research confirms this tradition could seriously harm peoples health. An international team of scientists have ...
Environment
Feb 11, 2013
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A cheap, flexible organic molecule could replace inorganic crystals as the working parts for memory chips, sensors and energy-harvesting systems.
General Physics
Jan 24, 2013
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Brine water that flows back from gas wells in the Marcellus Shale region after hydraulic fracturing is many times more salty than seawater, with high contents of various elements, including radium and barium. The chemistry ...
Earth Sciences
Dec 18, 2012
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McMaster University biologist Jianping Xu trekked over 30 kilometers a day through mountainous terrain and inclement weather in southwestern China to discover that a wild mushroom wasn't at the root of 400 unexplained deaths.
Plants & Animals
Dec 7, 2012
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Promising news for those who relish the prospects of a one-inch chip storing multiple terabytes of data, some clarity has been brought to the here-to-fore confusing physics of ferroelectric nanomaterials. A multi-institutional ...
Nanophysics
Jul 10, 2012
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(Phys.org) -- Certain complexes of large alkaline earth elements such as calcium, strontium, and barium are efficient catalysts for various organic reactions. However, the stability of these heteroleptic complexes in solution ...
Materials Science
May 18, 2012
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A new species of photosynthetic bacterium has come to light: it is able to control the formation of minerals (calcium, magnesium, barium and strontium carbonates) within its own organism. Published in Science on April 27, ...
Cell & Microbiology
May 11, 2012
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