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kaitlyn wells

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    5 Places Where People Slow Down Aging

    Around the world, people are living longer, healthier lives than ever before. One area this is most visible is in the number of centenarians, or people living to the age of 100. In 1840, there were 90 centenarians in the United States—one for every 189,000 people—according to United States Census Bureau records. Today, there are […]

  • Curiosity self-portrait

    19th-Century Code Helps 21st-Century Mars Rover Find Its Way

    Back in the 1840s, Morse code was a ground-breaking approach for sending messages over a hot, new communications medium called the electrical telegraph. Earlier this year, the last telegram ever was sent, yet Morse code is not entirely out of a job. NASA’s cutting-edge Curiosity Mars rover, built by JPL (Jet Propulsion Laboratory), uses this […]