News tagged with stone

When modern Eurasia was born

Modern Eurasian peoples are genetically speaking not more than a couple of thousand years old. It was during the Bronze Age that the last major chapters were written in the story of the genetic past of Europe ...

dateJun 10, 2015 in Archaeology & Fossils
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Yeasts on plums have a plus side

Some naturally occurring yeasts may be useful for protecting stone fruits against pathogens that attack after harvest. Scientists at the U.S. Department of Agriculture (USDA) looked to the microflora on the ...

dateJun 10, 2015 in Ecology
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Oldest-known stone tools pre-date Homo

Scientists working in the desert badlands of northwestern Kenya have found stone tools dating back 3.3 million years, long before the advent of modern humans, and by far the oldest such artifacts yet discovered. ...

dateMay 20, 2015 in Archaeology & Fossils
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What motivates men who kill police?

Who intentionally seeks to kill a policeman and why? In 2014 the rate of policemen purposely killed in the line of duty in the U.S. was nearly 1.5 times greater than in 2013. These incidents and what may have motivated the ...

dateMar 18, 2015 in Social Sciences
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