Uncategorized
- Animals
Frogs evolved a wide variety of vocal sacs to amplify their ribbits
Maybe you've seen frogs with ballooning throats, but what about pop-out poofs and fat ear bumps?
- Humans
Vacation could provide teens time to practice independence
A poll shows U.S. parents are reluctant to let teens go places alone on vacation. Giving teens more independence may help their mental health.
- Physics
How polarized and UV-blocking sunglasses protect our eyes
Their filters can cut glare to help us see more clearly. The best ones also filter out the sun’s UV rays — even on cloudy days — to limit eye damage.
- Health & Medicine
TikTok skincare routines may cause more harm than good
Many videos used lots of costly skincare products full of potential irritants. And most left out the most important way to care for your skin: sun protection.
- Animals
Scientists Say: Kleptopredation
It’s a hunter-eat-hunter world out there, and this feeding strategy gives some double-dipping predators a competitive edge.
- Animals
Young capuchins are kidnapping baby howler monkeys
The disturbing habit has emerged among capuchin monkeys on a remote island off Panama. Scientists are baffled — and concerned.
- Fossils
North American rhinos once gathered in large, hippo-like herds
The stumpy-legged rhinos survived until about 12 million years ago, when a supervolcano’s ashfall smothered their world.
- Math
Experiment: M&M’S geometry
The amount of candy in an M&M’S bag is never enough, but just how much is it? Let’s find out which geometric formula gives the best estimate.
- Health & Medicine
Multiple-snake antivenom comes from blood of man bitten 202 times
Tim Friede built immunity to snake venoms through bites and venom injections. His blood proteins now offer antivenom protection against 13 types of snakes.
- Planets
Here’s how future Martians might take their first breaths
Mars would need an atmosphere thick enough to hold heat and with enough oxygen for people to breathe. This is how we might terraform Mars.
- Chemistry
Scientists Say: Lipid
These oily, water-repelling molecules knit together, forming the membranes that sustain life.
- Science & Society
Analyze This: Do bad childhoods make movie villains?
In DC and Marvel movies, a rough childhood doesn’t always mean that characters become villains.
