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Life & Evolution

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starfish in Australia

Northern Pacific seastars gang together off a pier in Australia. The species was transported to Australian waters in the ballast of ships. A new study finds that the growth of the Australian mining industry may help promote such invasions.

Radix balthica snail

TOUGH STUFF  Radix balthica snails can behave boldly or shyly when spooked. An individual snail's behavior appears to be linked with the strength of its shell.

Brown Bear

GOOD NEWS BEARS  Brown bears in Finland are shuffling back from near extinction and startling geneticists with the speed of genetic changes.

Life & Evolution

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