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Latest Thure E. Cerling Stories

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2011-08-04 13:22:04

Scientists report they have found that savannas prevailed most of East African sites where human ancestors and their ape relatives evolved for the past 6 million years. The University of Utah scientists used chemical isotopes in ancient soil to measure prehistoric tree cover in order to make this discovery. "We've been able to quantify how much shade was available in the geological past," geochemist Thure Cerling, senior author of a study of the new method in the Thursday, Aug. 4, 2011...


Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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