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New research shows lifelong bikers have healthier knees, less pain and a longer lifespan, compared to people who've never biked. This adds to the evidence that cycling promotes healthy aging.
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Some otters rely on tools to bust open hard-shelled prey items like snails, and a new study suggests this tool use is helping them to survive as their favorite, easier-to-eat foods disappear.
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Ed Dwight, a former Air Force test pilot who was passed over to become an astronaut in the 1960s, described his flight aboard Blue Origin's New Shepard as "life changing."