Uncategorized

  1. Health & Medicine

    50 years ago, scientists claimed marijuana threatened teens’ mental health

    In the 1970s, scientists linked pot use to mental health woes in teens. Such concerns have helped keep the drug illegal for teens for 50 years.

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  2. Health & Medicine

    Here’s what we know about B.1.1.7, the U.S.’s dominant coronavirus strain

    Studies show the variant is more contagious and may cause more severe COVID-19 overall. But vaccines still work against B.1.1.7.

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  3. Planetary Science

    NASA’s Ingenuity helicopter made history by flying on Mars

    An autonomous helicopter just lifted itself into the air on Mars, marking the first time a vehicle has flown on a planet other than Earth.