World News Science Some Swarms Of Fireflies Will Synchronize Their Flashes. Here's How 6:26pm July 08, 2021 World Science Animals Share URL copied to clipboard! Copyright 2021 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered National What the jury in the Sean Combs trial will be deliberating by Anastasia Tsioulcas National The latest in the deadly firefighter ambush in Idaho by Kirk Siegler 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate
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