Thousands of plant species likely to go extinct in Amazon

As many as 4,550 of the more than 50,000 plant species in the Amazon will likely disappear because of land-use changes and habitat loss within the next 40 years, according to a new study by two Wake Forest University researchers.

Simulations Illuminate Universe's First Twin Stars (w/ Video)

(PhysOrg.com) -- The earliest stars in the universe formed not only as individuals, but sometimes also as twins, according to a paper published today in Science Express. By creating robust simulations of the early universe, ...

Steppe change: Mammoths roamed southern Spain

Remains of woolly mammoths have been found in southern Spain, proving that the chilly grip of the last Ice Age extended farther south than thought, palaeontologists said on Thursday.

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