Dense bones allowed Spinosaurus to hunt underwater, study shows

Spinosaurus is the biggest carnivorous dinosaur ever discovered—even bigger than T. rex—but the way it hunted has been a subject of debate for decades. It's hard to guess the behavior of an animal that we only know from ...

Wild brown bear observed using a tool

(PhysOrg.com) -- Because brown bears are so reclusive, not to mention dangerous to be around, not a lot is really known about their brain power. This is actually rather odd because bears have the largest brains for their ...

How water fleas defend themselves against carnivorous plants

Water fleas are masters of adaptation. Researchers from Ruhr-Universität Bochum (RUB), the Albert-Ludwigs-Universität Freiburg and the Technical University of Darmstadt have discovered that they can defend themselves not ...

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