Going deep

  HOW low can you go? Dedicated deep cavers plumb the depths for an answer, and a newly announced expedition may just get to the bottom of it all.   For decades, cavers have competed informally to find the world’s deepest cave, pushing the boundaries of science along the way. It’s a perpetual quest – […]

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Charting the history of western art with math

  For more than a century, researchers have used statistics to study writing style in a sort of literary forensics technique called stylometry. In 1901, physicist T. C. Mendenhall famously measured word-length frequency in William Shakespeare’s works and reported that the writer’s style was awfully close to that of fellow writer Christopher Marlowe, fueling rumors

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Stretchy battery

  It’s no stretch to say that batteries won’t continue to be rigid and blocky forever. Engineers inspired by Japanese paper craft have designed a battery that can expand to 150 percent of its original length. The battery can power a computerized watch known as a smart watch even as it flexes.   “Any kind

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A Desire to Help

Children can be many things. Joyful, energetic and exasperating. Curious, playful and sad. For P.J. Lukac, who is finishing his pediatrics residency at Chicago’s Rush University Medical Center, children are also a source of inspiration and hope. “They’re a joy to work with, and theymake me laugh,” says the 30-year-oldpediatrician of the children under his care. “Even

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