Life
- Fossils
Mega-bird!
What may have been the bird world’s biggest flier ever had wings so long, they would have had trouble flapping fast enough to keep it aloft in tough winds. But this behemoth would have been able to soar both far and fast.
- Microbes
Superbugs: A silent health emergency
Have antibiotics become too popular? Overusing these medicines fuels resistant germs that pose a global health threat.
- Microbes
Explainer: Where antibiotics came from
A mold proved the source of the first known antibiotic: penicillin. But chemical dyes would lead to the first antibiotics used in treating people.
- Fossils
This dino-bird is super-feathered
This late-Jurassic dino was also a bird. Its ample coat of feathers emerged before any need for flight.
- Animals
Teen shows salty lionfish are getting fresh
Lauren Arrington kept spotting lionfish in rivers near her Florida home. Her science fair project probed how much fresh water these ocean fish could stand — and led to a published research paper.
- Animals
Cool Jobs: A whale of a time
Studying blue whales, spinner dolphins and other cetaceans demands clever ways to unveil the out-of-sight behaviors of these marine denizens.
- Animals
Explainer: What is a whale?
Can a dolphin be a whale — or a whale be a dolphin? Yes, because the terms used to describe the biggest marine mammals are quite elastic and fuzzy.
- Microbes
How a germ killer could backfire
A common ingredient in toothpaste and hand sanitizers kills germs on contact. But it also can kill the helpful germs that make water safer.
- Fossils
Hot-blooded dinos? Try lukewarm
New study finds these reptiles may have had an internal furnace that sort of resembled some sharks. It appeared to run neither hot nor cold.
- Genetics
Owww! The science of pain
No one likes pain, but it keeps us alive. That’s why scientists want to learn how best to coexist with this complicated and still somewhat mysterious sensation.
- Animals
Salted butterflies
The salt used on winter ice can alter the bodies of summer's butterflies. Males develop larger muscles and females get bigger brains.
- Animals
Stalking squirrels for science
A scientist noticed the squirrels in his family’s town, and began studying them. His results show why squirrels are such good city dwellers, and prove that science is right outside your door.
