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2012-11-21 08:29:31

NASA astronaut Sunita Williams, who returned to Earth Sunday after four months on the International Space Station, will be available for live satellite interviews from 6-7 a.m. CST Friday, Nov. 30.


Word of the Day
ecotone
  • A transitional zone between two communities containing the characteristic species of each.
The word 'ecotone' comes 'eco-' plus a Greek root meaning 'tension'.