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Megastars shredded by black holes offer new type of cosmic explosion

Massive stars know how to go out in style. Some of the brightest, longest-lived flares likely develop as supermassive black holes shred megastars, researchers report.   Such events are a…

Frogs evolved a wide variety of vocal sacs to amplify their ribbits

Here’s a great case of real life turning out to be stranger than fiction. Storybooks often show male frogs croaking by ballooning the bottoms of their mouths out in one…

Vacation could provide teens time to practice independence

Vacation season is upon us. But a school break doesn’t necessarily mean teens are roaming free. A new poll finds that less than half of U.S. parents feel comfortable leaving…

How polarized and UV-blocking sunglasses protect our eyes

Bright sunlight can flash off water, glass or metal. The resulting glare will make it hard to see anything clearly. The solution: Put on a pair of sunglasses with polarized…

Scientists Say: Kleptopredation

Kleptopredation, (noun, “Klep-TOE-pre-day-shion”) Kleptopredation is when an animal hunts prey that has recently hunted and eaten its own prey. The root word “klept-” means theft. So, kleptopredation describes a predator…

TikTok skincare routines may cause more harm than good

More and more kids are posting skincare routines on TikTok. These videos can be a playful and fun way to express oneself. But many of the routines might be more…