Uncategorized
- Health & Medicine
Sunlight makes pleasure chemical in the body
A day on the beach might deliver more than a tan (or sunburn). It may also release potent brain chemicals that leave people with a pleasurable feeling.
- 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.
- Archaeology
Neandertal ancestor?
Fossils found in a Spanish cave have features that are a combination of Neandertals and other species. The mix suggests Neandertal roots go back even farther than scientists had suspected.
- Space
What to wear on Mars
NASA released details of the new, more flexible apparel being designed for long-distance travelers — such as those bound for another planet.
- Physics
Very-sub-zero water
Using lasers, scientists measured the temperature of water droplets that remained liquid even when super-cold.
- 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.
- Physics
Hazing: How to hide in nearly plain sight
A new system takes advantage of a translucent fog of particles to hide otherwise obvious objects.
- 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.
