6,745 results
- Earth
Eye of the Tiger
Recent research has upended a 130-year-old, previously unchallenged theory about how the semiprecious stone called tiger's-eye is formed.
- Materials Science
Caught on Tape: Gecko-inspired adhesive is superstrong
Researchers have emulated a gecko's sticking power to create a superstrong adhesive.
- Earth
Sticky Situation: Nonstick surfaces can turn toxic at high heat
Nonstick cookware can, if overheated, sicken people and kill birds, according to a new analysis of research published over the past 40 years.
- Health & Medicine
Testing Times
Relying in part on a new rapid HIV test, health officials are working to identify and treat more HIV infections earlier in the course of the disease.
- Earth
On Shifting Ground
In earthquake-prone areas of the United States and elsewhere in the world, debates go on over whether—and how much—to reinforce buildings.
- Anthropology
African Legacy: Fossils plug gap in human origins
Scientists who discovered three partial Homo sapiens skulls in Ethiopia that date to nearly 160,000 years ago say that the finds document humanity's evolution in Africa, independently of European Neandertals.
- Chemistry
Nanoscale Networks: Superlong nanotubes can form a grid
Researchers have made extraordinarily long carbon nanotubes and aligned them to create tiny transistors and sensors for detecting chemical and biological agents.
- Earth
If It’s Wet in Malaysia . . . : Afghan droughts linked to rain in Indian Ocean
An analysis of nearly 2 decades of weather patterns suggests a link between an abundance of precipitation in the eastern Indian Ocean and a lack of rain in portions of southwestern Asia.
- Plants
Warm-Blooded Plants?
Research heats up on why some flowers have the chemistry to keep themselves warm.
- Humans
From the March 11, 1933, issue
GREAT LION OF LA BREA Bigger by a fourth than the proudest lion that walks the veldt today were the tallest of the great lions of California a hundred thousand years ago. Rivaled in size only by the short-faced bears whose bones have been found with theirs in the La Brea tar-pits, they could confidently […]
- Plants
Emergency Gardening
High-tech tissue culture is helping some ultrarare plants finally have sprouts of their own.
- Health & Medicine
Blood Sugar Fix
A new class of experimental drugs that mimic the actions of the hormone glucagon-like peptide 1 shows benefits against type 2, or adult-onset, diabetes.
