This Week in Science: NASA’s armageddon mission, boosters for all adults, high-kicking frogs, the best way to hug, COVID-19 origin

DARTing across the cosmos: NASA’s plan to protect planet Earth  NASA plans to launch a spacecraft this week that, in late 2022, will intentionally crash into an asteroid, hopefully changing its trajectory. Planetary defense research has been conducted over the past several years in hopes of preventing foreseeable meteor crashes. Although scientists believe massive meteorites […]


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