Search Results for: Bears
6,709 results
- Earth
The Great Salt Lake is shrinking. What can we do to stop it?
A dropping lake level affects agriculture, public health and the environment — but water conservation can halt the decline.
- Earth
Indigenous people may have created the Amazon’s ‘dark earth’ on purpose
Modern Amazonians make nutrient-rich soil from ash, food scraps and burns. The soil strongly resembles ancient dark soils found in the region.
- Climate
Greta Thunberg’s new book urges the world to take climate action now
Greta Thunberg's ‘The Climate Book’ covers the basic science of climate change, the history of denialism and inaction, environmental justice and solutions.
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- Genetics
Black Death immunity came at a cost to modern-day health
A genetic variant that boosts Crohn’s disease risk may have helped people survive the 14th century bubonic plague known as the Black Death.
- 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.
- Animals
A new book asks: What makes humans call some animals pests?
In an interview with Science News, science journalist Bethany Brookshire discusses her new book, Pests, and why humans vilify certain animals.
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- Paleontology
Vampire squid are gentle blobs. But this ancestor was a fierce hunter
New fossil analyses of 164-million-year-old ancestors of today’s vampire squid show the ancient cephalopods had muscular bodies and powerful suckers.
- Animals
Polar bears sometimes bludgeon walruses to death with stones or ice
Inuit reports of polar bears using tools to kill walruses were historically dismissed as stories, but new research suggests the behavior does occur.
- Animals
Whale sharks may be the world’s largest omnivores
An analysis of the sharks’ skin shows that the animals eat and digest algae.
- Paleontology
Glowing spider fossils may exist thanks to tiny algae’s goo
Analyzing 22-million-year-old spider fossils from France revealed that they were covered in a tarry black substance that fluoresces.
