News in Brief
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SpaceAstronomers just quintupled the number of known repeating fast radio bursts
A Canadian telescope spotted eight more repeating fast radio bursts. What causes these cryptic flashes of radio waves from deep space remains unclear.
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HumansEven without concussions, just one football season may damage players’ brains
A group of college football players underwent brain scans after a season of play. The results suggest the sport could impact neural signaling.
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EarthOne in 4 people lives in places at high risk of running out of water
An update to the Aqueduct Water Risk Atlas reveals that 17 countries withdraw more than 80 percent of water available yearly.