6,867 results
6,867 results for: Bears
- 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.
- 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.
- 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.
- 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.
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The future of computing
The digital revolution has brought chess-playing robots, self-driving cars, curated news feeds and new ethical challenges.
- Earth
A WWII submarine-hunting device helped prove the theory of plate tectonics
With a boost from World War II, the fluxgate magnetometer became a portable and invaluable tool.
- Astronomy
Carbon-ring molecules tied to life were found in space for the first time
Two types of polycyclic aromatic hydrocarbons in the Taurus Molecular Cloud are far more abundant than predicted.
- Ecosystems
Wild donkeys and horses engineer water holes that help other species
Dozens of animals and even some plants in the American Southwest take advantage of water-filled holes dug by these nonnative equids.
