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Page 15

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…

Young capuchins are kidnapping baby howler monkeys

A serious case of stranger danger has emerged on an island off the coast of Panama. A gang of five young capuchin monkeys on Jicarón Island has started abducting baby howler…

Experiment: M&M’S geometry

Objective: Investigate which formula is the most accurate for estimating the volume of an M&M’S candy Areas of science: Math Difficulty: Hard beginner Time required: ≤ 1 day Prerequisites: None…

North American rhinos once gathered in large, hippo-like herds

Millions of years ago in what’s now the U.S. Midwest, watering holes and rivers were home to huge herds of stumpy-legged rhinos. While most rhinos today prefer a solo lifestyle,…

Multiple-snake antivenom comes from blood of man bitten 202 times

Tim Friede remembers his worst snakebites in screaming detail. The first was from an Egyptian cobra. The second, an hour later, came from a monocled cobra. Both were highly venomous…

Scientists Say: Lipid

Lipid (noun, “LIP-id”) Lipids are a class of molecules that contain carbon and hydrogen. They make up one of the four types of molecules in living things. Besides lipids, these…