6,894 results
6,894 results for: Bears
- Earth
Rare earth mining may be key to our renewable energy future. But at what cost?
We take you inside Mountain Pass, the only rare earth mine in the United States.
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- Health & Medicine
How living in a pandemic distorts our sense of time
The pandemic has distorted people’s perception of time. That could have implications for collective well-being.
- 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.
- Animals
Whale sharks may be the world’s largest omnivores
An analysis of the sharks’ skin shows that the animals eat and digest algae.
- Ecosystems
A Caribbean island gets everyone involved in protecting beloved species
Scientists on Saba are introducing island residents to conservation of Caribbean orchids, red-billed tropicbirds and urchins.
- Animals
Tardigrades could teach us how to handle the rigors of space travel
Tardigrades can withstand X-rays, freezing and vacuum. Now researchers are learning how they do it, with an eye toward human space travel.
- 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.
- Space
Six months in space leads to a decade’s worth of long-term bone loss
Even after a year of recovery in Earth’s gravity, astronauts who’d been in space six months or more still had bone loss equal to a decade of aging.
- Paleontology
Megatooth sharks may have been higher on the food chain than any ocean animal ever
Some megalodons and their ancestors were the ultimate apex predators, outeating all known marine animals, researchers report.
- Paleontology
Feathers may have helped dinosaurs survive the Triassic mass extinction
New data show that dinosaurs were able to weather freezing conditions about 202 million years ago, probably thanks to warm feathery coats.
- Astronomy
‘Goldilocks’ stars may pose challenges for any nearby habitable planets
Orange dwarfs emit far-ultraviolet light long after birth, stressing the atmospheres of potentially life-bearing worlds.
