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Latest Thorsten Markus Stories

2006-03-20 17:00:00

By Deborah Zabarenko WASHINGTON -- A radar-equipped NASA plane is flying low over the Arctic this week to measure the snow on top of sea ice, a finding with implications for polar bears and possibly humans, an ice scientist said on Monday. Polar bears raise their young in snow dens sitting atop sea ice so the depth of that snow is critical to their survival, said Thorsten Markus of NASA's Goddard Space Flight Center outside Washington. The temperature under a layer of snow rarely falls...


Word of the Day
tessitura
  • The prevailing range of a vocal or instrumental part, within which most of the tones lie.
This word is Italian in origin and comes from the Latin 'textura,' web, structure.