6,896 results
6,896 results for: Bears
- Paleontology
With dinosaurs out of the way, mammals had a chance to thrive
The animals that lived through the great extinction event had a range of survival strategies to get them through.
- Health & Medicine
Birth defects occur in 1 in 10 pregnancies with first trimester Zika infection
About 6 percent of U.S. women infected with Zika virus have infants or fetuses with birth defects, according to preliminary CDC results. For women infected in the first trimester, the number is even higher: nearly 11 percent.
- Health & Medicine
Microcephaly cases surge in Colombia following rise in Zika infections
More than 400 cases of microcephaly have been reported in Colombia this year, months after Zika virus infections peaked in the country.
- Health & Medicine
Microcephaly cases surge in Colombia following rise in Zika infections
More than 400 cases of microcephaly have been reported in Colombia this year, months after Zika virus infections peaked in the country.
- Health & Medicine
Year in review: Zika virus devastates Brazil and spreads fear across Americas
The increase in microcephaly in Brazil has spread fear of Zika infection across the Americas.
- Climate
Year in review: Sea ice loss will shake up ecosystems
Researchers are studying the complex biological consequences of polar melting and opening Arctic passageways.
- Earth
50 years ago, nuclear blasting for gas boomed. Today it’s a bust.
50 years ago, scientists made plans to use nuclear explosions to extract natural gas from underground. In one such experiment, the gas was released but turned out to be radioactive.
- Anthropology
Buff upper arms let Lucy climb trees
Australopithecus afarensis’ heavily built arms supported tree climbing, scans of Lucy’s fossils suggest.
- Animals
With climate change, grizzly bears may hibernate less
New research shows that food availability and weather are driving when grizzly bears enter and exit their dens for hibernation.
- Health & Medicine
Poor diet in pregnancy, poor heart health for infants
Moms who eat too little during pregnancy could have babies with heart risks.
- Archaeology
People settled Australia’s rugged interior surprisingly early
Ancient colonists Down Under crossed the continent not long after arriving around 50,000 years ago.
- Animals
Animals give clues to the origins of human number crunching
Guppies, dogs, chickens, crows, spiders — lots of animals have number sense without knowing numbers.
