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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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Facing potential headwinds with both young voters and Black voters, President Biden's Morehouse College commencement address focused on his view of the importance - and future of - democracy.