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 […]


Bite-Size Science: 23andMe for horses? Genetics provide clues on equine ancestry

An analysis of ancient animal DNA samples has helped identify the genetic homeland of modern horses from around 4,200 years ago. A team of archaeologists spent the last five years collecting thousands of horse samples — from bones to teeth — in locations where the animals could have originated. Researchers utilized radiocarbon dating to figure […]


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