News
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AnimalsTextbook case of color-changing spider reopened
Female crab spiders switch colors to match flowers but may not fool their prey
By Susan Milius -
SpaceVolcanic and ferric surprises on Mercury
Volcanic activity is more recent than expected, MESSENGER shows on its third flyby of the planet. Also, surface iron occurs as oxides.
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SpaceNew way to help avoid a space shuttle disaster
A new technique to make shuttle launches safer combines tricks from particle colliders, moon landings and vulture tracking.
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ClimateMount Kilimanjaro could soon be bald
The world-renowned ice caps could disappear by 2022, new research suggests.