A European Space Agency director urged nations Tuesday to unlock concealed data on the whereabouts of hundreds of thousands of pieces of space junk, or "ticking time bombs" threatening spacecraft in Earth orbit.
Space Exploration
Jun 20, 2017
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(PhysOrg.com) -- Ever wondered how cockroaches seem to know the best place to grab a meal? New research at Queen Mary, University of London suggests that, just like humans, they share their local knowledge of the best food ...
Plants & Animals
Jun 4, 2010
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To understand how information spreads among people, Swedish physicists and sociologists have studied a Brazilian Web forum for discussing escorts, high-end prostitutes. The study is probably the first to demonstrate that ...
Mathematics
Mar 16, 2010
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