6,903 results
6,903 results for: Bears
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19304
I was dismayed to see you publish an unsubstantiated and highly misleading claim that welfare “reform” is not harming children. The study dealt with the atypical welfare mothers able to find sustainable employment. For them, I don’t doubt that having enough money rather than too little would be an improvement. Unmentioned are the many unskilled […]
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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.
- Earth
New accord targets long-lived pollutants
Negotiators drafted an agreement to ban or phase out some of the world's most persistent and toxic pollutants.
- Materials Science
A hard new material with a soft touch
Adding exotic substances called quasicrystals to polymers creates nonabrasive hard materials, which could soon serve as coatings in machine parts.
- Anthropology
Human ancestors had taste for termites
Incisions on ancient bone implements found in South Africa indicate that human ancestors gathered termites, a protein-rich food source, more than 1 million years ago.
- Plants
The bladderwort: No ruthless microbe killer
A carnivorous plant called a bladderwort may not be a fierce predator at all but a misunderstood mutualist.
