6,888 results
6,888 results for: Bears
- Archaeology
Stone Age hunter-gatherers tackled their cavities with a sharp tool and tar
Late Stone Age hunter-gatherers scraped and coated away tooth decay.
- Genetics
DNA reveals how cats achieved world domination
Analysis of 9,000 years of cat remains suggests two waves of migration
- 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.
- 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
Readers ponder the randomness of DNA errors
Readers sent feedback on cellular slip-ups, moon mayhem and more.
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- Animals
Young eels use magnetic ‘sixth sense’ to navigate
Migrating eels use Earth’s magnetic field.
- Animals
Water bears’ genetic borrowing questioned
A new analysis of tardigrade DNA suggests that water bears don’t swap many genes with other organisms after all.
- 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.
- Animals
Camera trap catches a badger burying a cow
Badgers are known to bury small animals to save them for future eating. Now researchers have caught them caching something much bigger: young cows.
- Genetics
Water bears are genetic mash-ups
Drying out may help tardigrades soak up new DNA, which in turn aids the water bears in withstanding stress.
