Quantcast

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
negawatt
  • A unit of saved energy.
Coined by Amory Lovins, chairman of the Rocky Mountain Institute as a contraction of negative watt on the model of similar compounds like megawatt.