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Your search has returned 64 articles:
  • Feature

    Fat chance

    Throughout the leaner epochs of human history, when food supplies were unreliable, the species would not have survived without a way to hoard calories for later use. That is, without fat. Once a meal has supplied the body’s immediate energy needs, any unused fuel gets converted into long molecules called triglycerides, which are dispatched to fatty tissue where they wait for a signal that the...

    06/18/2010 - 15:12
  • Feature

    Life from scratch

    A short stroll from Boston’s Charles River, behind a sheath of blue glass on the seventh floor of a Harvard Medical School research building, Jack Szostak is getting set to replay the greatest event on Earth.

    He and his 15-member team of graduate students and young postdoctoral research fellows are well on their way to starting biology from scratch —...

    06/18/2010 - 15:11
  • Feature

    The Truth Hurts

    Truster-Pro and the Vericator may sound like devices Wile E. Coyote would order from the Acme Co., but they are real technologies for detecting lies. Unlike the traditional polygraph, which zeroes in on factors such as pulse and breathing rate, these analyzers aim to assess veracity based solely on speech.

    Police departments shell out thousands of...

    06/18/2010 - 14:56
  • Science Past from the issue of July 2, 1960

    HIGH MILK CONTAMINATION FROM NUCLEAR ACCIDENTS — Radioactive contamination of milk is likely to be “the most widespread hazard” resulting from a nuclear accident or explosion depositing fission products on agricultural land, according to recent studies in England reported in a forthcoming issue of Nature…. Elements that appeared to cause the greatest contamination are the isotopes of...

    06/18/2010 - 11:32
  • Science Future

    Science Future for July 3, 2010

    August 8 – 12 Geoscientists meet in Foz do Iguaçu, Brazil, for an international conference. See www.agu.org/meetings/ja10

    August 11 – 14 The Cognitive Science Society meets in Portland, Ore. Go to cognitivesciencesociety.org/conference2010

    September 6 Last day to view the Chicago Field Museum’s exhibit on creatures of the Ice Age. See www.fieldmuseum.org/mammoths

    06/18/2010 - 11:30