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Latest Thure Cerling Stories

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2009-04-14 13:00:00

Researchers say the diet and behavior of elephants, evidenced by the chemical makeup of their tail hairs, shows how they compete with other species, BBC News reported. The data, published in Proceedings of the National Academy of Sciences, comes from a six-year study following a single family of elephants in northern Kenya. It shows how the elephants lost out to cattle grazing on grasses and that the rate of conception is rising as food and water resources become more abundant each year....

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2008-02-26 00:35:00

Researchers at University of Utah reported Monday that a single strand of  hair can reveal a history of which areas within the United States a person has been living or spending time.The scientists compared variations in isotopes of hydrogen and oxygen found in strands of hair to those of tap water in various areas of the country. They found the isotopes corresponded, and were able to use this information to determine a person's location during recent weeks to years.Isotopes are forms of...

2008-02-25 16:11:08

CSIs now have a new tool in their belt: the chemical signatures left by local drinking water in human hair. Scientists at the University of Utah have found that the ratios of different forms of hydrogen and oxygen in local drinking water vary from region to region across the country. These elements are incorporated into the hair as it grows. Traces in the hair can show where a person has recently lived or traveled, and could help police track the recent movements of criminals. "You are...


Word of the Day
caparison
  • A cloth or covering, more or less ornamented, laid over the saddle or furniture of a horse, especially of a sumpter-horse or horse of state.
  • Clothing, especially sumptuous clothing; equipment; outfit.
  • To cover with a caparison, as a horse.
  • To dress sumptuously; adorn with rich dress.
This word ultimately comes from the Medieval Latin 'cappa,' cloak.
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