All Stories
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- Paleontology
New evidence weakens case against climate in woolly mammoths’ death
Hunters responsible for woolly mammoths’ extinction, suggests a chemical analysis of juveniles’ tusks.
- Chemistry
Nanoparticles in foods raise safety questions
As scientists cook up ways to improve palatability and even make foods healthier, some are considering the potential health risks of tiny additives.
- Climate
High-flying birds recruited for meteorology
Monitoring the midflight movements of high-flying birds can provide valuable meteorological data, new research shows.
- Animals
How to drink like a bat
Some bats stick out their tongues and throbs carry nectar to their mouths.
- Paleontology
Dimetrodon’s diet redetermined
The reptilelike Dimetrodon dined mainly on amphibians and sharks, not big herbivores as scientists once believed.
- Anthropology
Sleep time in hunter-gatherer groups on low end of scale
Hunter-gatherer communities in Africa and South America have similar sleeping patterns as people living in postindustrial societies, researchers find.
- Planetary Science
Five surprising discoveries about Pluto
Here are five key (though not necessarily new) findings in the paper that epitomize the surprising complexity of the Pluto system.
- Animals
Bees get hooked on flowers’ caffeine buzz
Flowers drug honey bees with caffeinated nectar to trick them into returning, causing the bees to shift their foraging and dancing behaviors.
- Plants
Early cyanobacteria fossils dug up in 1965
In 1965, early photosynthetic plant fossils were discovered. The date of earliest oxygen-producing life forms has since been pushed much earlier.
- Health & Medicine
First known case of sexually transmitted Ebola reported
A Liberian woman contracted Ebola in March by having sex with a survivor of the viral disease, researchers report.
- Neuroscience
Adolescent brains open to change
Adolescent brains are still changing, a malleability that renders them particularly sensitive to the outside world.
