6,907 results
6,907 results for: Bears
- Anthropology
Homo sapiens bones in East Africa are at least 36,000 years older than once thought
Analyses of remnants of a volcanic blast push the age of East Africa’s oldest known H. sapiens fossils at Ethiopia’s Omo site to 233,000 years or more.
- Animals
Here are 7 incredible things we learned this year that animals can do
From wielding weapons to walking on the underside of water, these are the creature capabilities that most impressed us in 2021.
- Anthropology
Ancient footprints suggest a mysterious hominid lived alongside Lucy’s kind
A previously unknown hominid species may have left its marks in muddy ash about 3.66 million years ago in what is now East Africa.
- Earth
Scientists are racing to save the Last Ice Area, an Arctic Noah’s Ark
The Last Ice Area may be the final refuge for summer sea ice and the creatures that depend on it. Saving it is an ambitious goal with many hurdles.
- Climate
How a warming climate may make winter tornadoes stronger
A climate simulation suggests that higher winter temperatures could make twisters more powerful.
- Health & Medicine
How sleep may boost creativity
In a lab experiment, people who had fallen into a shallow sleep were more likely than non- or deep sleepers to later discover a sly math trick.
- Climate
Climate change could make Virginia’s Tangier Island uninhabitable by 2051
Tangier Island could be lost to rising seas sooner than previously realized. Whether to save the island or move its residents remains undecided.
- Computing
Now that computers connect us all, for better and worse, what’s next?
The digital revolution has brought chess-playing robots, self-driving cars, curated newsfeeds — and new ethical challenges.
- Animals
A new book shows how animals are already coping with climate change
‘Hurricane Lizards and Plastic Squid’ takes a clear-eyed look at future of animal life.
- Oceans
The Southern Ocean is still swallowing large amounts of humans’ carbon dioxide emissions
A 2018 study suggested the ocean surrounding Antarctica might be taking up less CO₂ than thought, but new data suggest it is still a carbon sink.
- Astronomy
Distant rocky planets may have exotic chemical makeups that don’t resemble Earth’s
Elements sprinkled on white dwarf stars suggest that the mantles of faraway rocky worlds differ greatly from their counterparts in our solar system.
- Earth
A mineral found in a diamond’s flaws contains the source of some of Earth’s heat
A mineral theorized to exist in the mantle was found hiding in a diamond. Dubbed davemaoite, it could explain where some of Earth’s heat comes from.
