6,859 results
6,859 results for: Bears
- Tech
50 years ago, a balloon circumnavigated the world for science
A 1973 high-altitude flight kicked off an era of useful stratospheric balloon science. Some scientists worry that heightened concerns over alleged spy balloons might hamper that.
- Life
The Endangered Species Act is turning 50. Has it succeeded?
After 50 years, this landmark law has kept many species alive — but few wild populations have recovered enough to come off the “endangered” list.
- Archaeology
Indigenous input revealed early hints of fiber making in the tropics
To decipher marks on nearly 40,000-year-old stone tools and figure out what they were used for, researchers turned to the Philippines’ Pala’wan people.
- Ecosystems
Some polar bears in Greenland survive on surprisingly little sea ice
“Glacial mélange” could provide a last refuge for some bears as the Earth warms, but climate action is needed to preserve the species, researchers say.
- Astronomy
Alien life may be possible even at the Milky Way’s edges
Phosphorus detected far from the Milky Way’s center seems to extend the zone where life could exist in the galaxy by thousands of light-years.
- Microbes
Ancient bacteria could persist beneath Mars’ surface
Radiation-tolerant microbes might be able to survive beneath Mars’ surface for hundreds of millions of years, a new study suggests.
- Psychology
An apology to Indigenous communities sparks a mental health rethink
The leading U.S. psychological association pledged to embrace Indigenous approaches to healing, which requires rethinking how to address mental health.
- Paleontology
520-million-year-old animal fossils might not be animals after all
Newly described fossils of Protomelission gatehousei suggest that the species, once thought to be the oldest example of bryozoans, is actually a type of colony-forming algae.
- Science & Society
The Smithsonian’s ‘Lights Out’ inspires visitors to save the fading night sky
The exhibition examines how light pollution harms astronomy, ecosystems and human cultures. But it also offers hope.
- Health & Medicine
Bird flu can jump to mammals. Should we worry?
Reports of bears and sea lions infected with H5N1 have sparked fears about the pandemic potential of bird flu. Experts are keeping a close eye on its spread.
- Archaeology
Ancient Maya power brokers lived in neighborhoods, not just palaces
Lidar discoveries and recent excavations are forcing archaeologists to rethink ancient Maya political structures.
- Life
Comb jellies have a bizarre nervous system unlike any other animal
A 3-D map of the comb jelly “nerve net” reveals fused neurons that lack the space, or synapses, most neurons use to communicate. Did it evolve independently?
