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Humanity decimating planetary wildlife

Nearly three-fifths of all animals with a backbone—fish, birds, amphibians, reptiles and mammals—have been wiped out since 1970 by human appetites and activity, according to a grim study released Thursday.

date8 hours ago in Ecology
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How many planets are there in the galaxy?

On a clear night, and when light pollution isn't a serious factor, looking up at the sky is a breathtaking experience. On occasions like these, it is easy to be blown away by the sheer number of stars out there. But of course, ...

dateOct 25, 2016 in Space Exploration
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