6,773 results
6,773 results for: Bears
- Health & Medicine
Readers ponder the randomness of DNA errors
Readers sent feedback on cellular slip-ups, moon mayhem and more.
- Animals
Young eels use magnetic ‘sixth sense’ to navigate
Migrating eels use Earth’s magnetic field.
- 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.
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- 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.
- 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.
- 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.
- Climate
Arctic sea ice shrinks to second-lowest low on record
A warm summer helped shrink sea ice in the Arctic Ocean to a statistical tie with 2007 for the second smallest sea ice minimum on record.
- Archaeology
First settlers reached Americas 130,000 years ago, study claims
Mastodon site suggests first Americans arrived unexpectedly early.
- Oceans
Fleeting dead zones can muck with seafloor life for decades
Low-oxygen conditions can fundamentally disrupt seafloor ecosystems and increase carbon burial, new research shows.
- Animals
Microbes may help bears stay healthy when fat for hibernation
Brown bears fatten up for hibernation without suffering from weight-related problems. A new study shows that their gut microbes may help.
- Archaeology
How to get Ötzi’s look
DNA from Ötzi the Iceman’s clothes and quiver traced to both domesticated and wild animals.
