6,896 results
6,896 results for: Bears
- Life
Early human ancestors didn’t regularly eat meat
Chemicals in the tooth enamel of Australopithecus suggest the early human ancestors ate very little meat, dining on vegetation instead.
- Climate
What to know about the extreme U.S. flooding — and ways to stay safe
An oceanographer explains how climate change, warming oceans and a souped-up atmosphere are creating conditions for deadly floods.
- Life
Here are 8 remarkable scientific firsts of 2024
Making panda stem cells, mapping a fruit fly’s brain and witnessing a black hole wake up were among the biggest achievements of the year.
- Animals
Putting vampire bats on treadmills reveals an unusual metabolism
A bat gym shows that vampires are more like some insects, burning amino acids from blood proteins rather than the carbs or fats other mammals rely on.
- Life
Dark coats may have helped the earliest mammals hide from hungry dinosaurs
During the age of dinosaurs, early mammals probably lacked the stripes and spots of their modern relatives, having uniformly dark, drab coats.
- Artificial Intelligence
A look under the hood of DeepSeek’s AI models doesn’t provide all the answers
A peer-reviewed paper about Chinese startup DeepSeek's models explains their training approach but not how they work through intermediate steps.
- Science & Society
Fired federal workers share the crucial jobs no longer being done
Thousands of probationary federal employees received termination notices. Many were doing crucial work at science-related agencies.
- Science & Society
Our relationship with alcohol is fraught. Ancient customs might inspire a reset
As evidence of alcohol's harms mounts, some people are testing out sobriety. Look to ancient civilizations' ways for a reset, scholars suggest.
- Archaeology
A race to save Indigenous trails may change the face of archaeology
As construction of a pipeline nears, an effort to preserve an Indigenous trail in Canada tests whether heritage management can keep up with advances in archaeology.
- Science & Society
Do science dioramas still have a place in today’s museums?
Science dioramas of yesteryear can highlight the biases of the time. Exhibit experts are reimagining, annotating — and sometimes mothballing — the scenes.
- Animals
Ethiopian wolves are the first large carnivores found to slurp nectar
Wolves from three different packs were seen licking red hot poker flowers. That sweet tooth could make them the first known large predator pollinators.
- Planetary Science
Check out some of the weird rocks that have turned up on Mars
Some of the unusual rocks carry stories about water on Mars. One has hints of long-gone microbes. All tell of a dynamic, complex planet.
