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History Protected With Satellites
2013-04-03 14:18:32

Looking down from orbit is an attractive way of monitoring historical sites in remote or politically unstable regions – and can even help archaeologists to make new discoveries.


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'.