6,903 results
6,903 results for: Bears
- Health & Medicine
In babies, turning down inflammation soothes the hurt
Babies don’t feel nerve pain because their immune systems tamp down inflammation.
- Plants
Beetle RNA makes crops a noxious meal
When beetles munch plants bearing their RNA, genes the bugs need to survive are turned off.
- 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
Ant-eating bears help plants
A complex web of interactions gives a boost to rabbitbrush plants when black bears consume ants.
- Health & Medicine
Chronic stress can wreak havoc on the body
Scientists are shedding light on all the ways that chronic stress can boost inflammation and lead to serious health problems.
- Ecosystems
‘Earth: A New Wild’ puts people in the picture
PBS nature series ‘Earth: A New Wild’ shows humans living with, and not off, their environments
- Anthropology
Ancient Maya bookmakers get paged in Guatemala
New discoveries peg ritual specialists as force behind bark-paper tomes and wall murals.
- Anthropology
Scans tell gripping tale of possible ancient tool use
South African fossils contain inner signs of humanlike hands, indicating possible tool use nearly 3 million years ago.
- 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.
- Genetics
Domestication did horses no genetic favors
Horses bear the cost of domestication in the form of harmful genetic variants, a study of equine DNA finds.
- 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.
- Earth
Pumping carbon dioxide deep underground may trigger earthquakes
Injecting carbon dioxide deep underground offers a promising way to curb global warming, but the extra pressure may cause faults to slip or fractures to release the buried gas.
