6,868 results
6,868 results for: Bears
- Anthropology
‘The Invaders’ sees dogs as key to modern humans’ success
Neandertals went extinct when Homo sapiens transformed wolves into hunting aids, author proposes.
- Health & Medicine
In babies, turning down inflammation soothes the hurt
Babies don’t feel nerve pain because their immune systems tamp down inflammation.
- Humans
Fossils suggest another hominid species lived near Lucy
Fossil jaws dating to over 3 million years ago may add a new species to the ancient hominid mix.
- Neuroscience
Viva vagus: Wandering nerve could lead to range of therapies
Researchers are testing ways to stimulate the vagus nerve to treat a slew of ailments.
- Genetics
The art of DNA folding
Cells must compress genetic material into a nucleus that measures only about 5 micrometers across. To accomplish the feat, cells make loops in the DNA.
- Psychology
Bilingual homes may give babies a learning lift
Hearing two languages during the first six months of life linked to an early mental advantage.
- Climate
Melting ice forces walrus detour
Warming temperatures and shrinking summer ice cover have forced the animals to seek solid ground during feeding season.
- Life
Springs bring gecko stickiness to human scale
Springs of a stretchy alloy let gecko-inspired adhesives work at human scales to climb glass walls or grab space junk.
- Earth
Mineralogy’s link to ecology makes an Earth twin unlikely
Earth’s unique blend of minerals emerged with the evolution of life, making it extremely unlikely that another planet has Earth’s exact mineral composition.
- Animals
China’s reindeer are on the decline
A small, semi-domesticated population of reindeer found in northern China is suffering due to threats ranging from inbreeding to tourism.
- Plants
Tropical plant knows whose bill is in its flowers
A rainforest plant avoids inbreeding by accepting pollen only from hummingbird species that must travel to reach it.
- Animals
Grizzly bears get stressed from salmon decline
Grizzlies in coastal British Columbia bulk up on salmon in the fall, but they experience stress when the fish are scarce.
