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Latest Jeffrey A. Riffell Stories

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2009-03-05 10:05:00

Moths need just the essence of a flower's scent to identify it, according to new research from The University of Arizona in Tucson. Although a flower's odor can be composed of hundreds of chemicals, a moth uses just a handful to recognize the flower. It's like identifying a piece of music from hearing only the notes played by a few key instruments, said lead researcher Jeffrey A. Riffell. "The moth isn't paying attention to all the chemicals at the same time," Riffell said. "It's actually...


Word of the Day
omphalos
  • The navel or umbilicus.
  • In Greek archaeology: A central boss, as on a shield, a bowl, etc.
  • A sacred stone in the temple of Apollo at Delphi, believed by the Greeks to mark the 'navel' or exact center-point of the earth.
'Omphalos' comes from the ancient Greek.
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