How to Test Your Strength in 30 Seconds

If you want to stay healthy as you age, experts say you have to keep moving with a mix of cardio, strength and balance training. But there’s another critical element, one that doesn’t get as much attention. It’s what gives you the ability to toss a heavy trash bag into a can or lift a…

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Even Rats Are Taking Selfies Now (and Enjoying It)

When Augustin Lignier, a professional photographer in Paris, was in graduate school, he began to ponder the point of picture-taking in the modern world: Why did so many of us feel compelled to photograph our lives and share those images online? It was not a novel question, but it led Mr. Lignier to a surprising…

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