6,904 results
6,904 results for: Bears
- Health & Medicine
Don’t wait until menopause to strengthen your bones
Screening for osteoporosis is recommended at age 65, but experts say women should be proactive about bone health long before that.
- Earth
More details about the Myanmar earthquake are emerging
A phenomenon called liquefaction, which causes the ground to slump like quicksand, led to significant damage after the Myanmar earthquake. The risk of aftershock remains high.
- Animals
A tardigrade protein helped reduce radiation damage in mice
Mouse cells tweaked to produce the tardigrade protein incurred less DNA damage than unaltered cells — hinting at a new tool for cancer patient care.
- Animals
Polar bears are being exposed to more pathogens as the climate warms
Polar bears have been exposed to more viruses, bacteria and parasites in recent decades, a new study shows, possibly acquiring the germs in their diet.
- 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.
- Archaeology
Human ancestors made the oldest known bone tools 1.5 million years ago
The excavation of bone tools at Olduvai Gorge in Tanzania expands the range of ancient hominids’ cultural innovations.
- Earth
Even epic rainfall may not be enough to refill SoCal’s aquifers
More than a dozen atmospheric rivers dumped rainfall on California in 2023 but replenished only 25 percent of the water lost from aquifers since 2006.
- 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.
- Animals
Poop is on the menu for a surprising number of animals
A new tally finds dozens of species giving food a second go-round, from babies boosting their microbiomes to adults seeking easier-to-access nutrition.
- 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.
- Neuroscience
The unique neural wiring of the human hippocampus may maximize memory
Living tissue from the memory centers of people’s brains reveals sparse nerve cell connections that provide strong, reliable signaling between cells.
- 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.
