6,904 results
6,904 results for: Bears
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Moms and pups sniff out immune genes
Genes involved in the immune system also create individualized body odors that allow parents and offspring to recognize each other.
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Abused kids lose emotional bearings
Physical abuse and neglect appear to undermine preschoolers' emotional development in different ways.
- Earth
Two microbes team up to munch methane
Aggregates of two different microorganisms in methane-bearing ocean sediments collected off the Oregon coast appear to collaborate to consume methane despite a lack of oxygen.
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Psst. This fly’s ears can rival a cat’s
The unusual eardrums of a tiny parasitic fly turn out to rival cats', owls', and people's abilities to pinpoint the origin of a sound.
- Paleontology
The last ice age wasn’t totally icy
Radiocarbon dating of fossils taken from caves on islands along Alaska's southeastern coast suggest that at least a portion of the area remained ice-free during the last ice age.
- Animals
Time to revise right whales’ family tree?
A statistical analysis of DNA from nearly 400 right whales around the world suggests there may be three species of Eubalena, not just two—a conclusion that may boost conservation efforts.
- Earth
Life Landed 2.6 Billion Years Ago
Unusually carbon-rich rocks found in eastern South Africa may push back the evidence of life on land to 2.6 billion years ago, more than twice the current age of indisputably terrestrial organisms.
