6,773 results
6,773 results for: Bears
- Astronomy
Signs of a hidden Planet Nine in the solar system may not hold up
Hints of a remote planet relied on clumped up orbits of bodies beyond Neptune. A new study suggests that clumping is an illusion.
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Tasking trees with averting the climate crisis is a big ask
Editor in chief Nancy Shute discusses whether planting trees can help us avert the climate crisis, or if it is another quick-fix gimmick.
- Science & Society
An ecologist’s new book gets at the root of trees’ social lives
In ‘Finding the Mother Tree,’ Suzanne Simard recounts how she discovered hidden networks in forests.
- Archaeology
Stone Age culture bloomed inland, not just along Africa’s coasts
Homo sapiens living more than 600 kilometers from the coast around 105,000 years ago collected crystals that may have had ritual meaning.
- Animals
Glowing blue helps shield this tardigrade from harmful ultraviolet light
Tardigrades have a newly discovered trick up their sleeve: fluorescence.
- Animals
Cicada science heats up when Brood X emerges. 2021 was no exception
Mating mobs of big, hapless, 17-year-old cicadas made for a memorable spring in the Eastern United States
- Archaeology
The oldest known abrading tool was used around 350,000 years ago
A flat-ended rock found in an Israeli cave marks an early technological shift by human ancestors to make stone tools for grinding rather than cutting.
- Anthropology
Israeli fossil finds reveal a new hominid group, Nesher Ramla Homo
Discoveries reveal a new Stone Age population that had close ties to Homo sapiens at least 120,000 years ago, complicating the human family tree.
- Science & Society
Racism lurks in names given to plants and animals. That’s starting to change
Racist legacies linger in everyday lingo for birds, bugs and more. Some scientists see the chance to change that.
- Archaeology
An ancient dog fossil helps trace humans’ path into the Americas
Found in Alaska, the roughly 10,000-year-old bone bolsters the idea that early human settlers took a coastal rather than inland route.
- 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.
- Astronomy
The ‘USS Jellyfish’ emits strange radio waves from a distant galaxy cluster
The unusual pattern of radio waves dubbed the USS Jellyfish tells a story of intergalactic gas meeting black hole by-products.
