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Astronauts arrive at the International Space Station

Three astronauts, including two who had their mission aborted last October when their Soyuz rocket malfunctioned, have arrived at the International Space Station. Expedition 59 crew members Christina Koch of NASA, Alexey Ovchinin of Roscosmos and Nick Hague of NASA during pre-launch training. (NASA) Two American astronauts and a Russian …

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Sea otters’ stone tools provide new clues for archeologists

By using the techniques used to study 'Stone Age' humans, archeologists are making new discoveries about an endangered animal that's also good with stone tools — the sea otter. A sea otter cracks open mussels with a rock at Elkhorn Slough, near the study site.(Jessica Fujii/Monterey Bay Aquarium) Archeologists dig …

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