4,023 results
4,023 results for: Dogs
- Life
Grizzly bears master healthy obesity
Tuned insulin signals explain how grizzly bears can fatten up for hibernation in the winter without developing diabetes.
- Animals
Elephant’s big nose wins most sensitive sniffer
A genetic survey reveals that African elephants harbor more smell sensors than any other known animal.
- Life
For yeast life span, calorie restriction may be a wash
A new technique for growing and tracking yeast cells finds caloric restriction doesn’t lengthen life span, though some researchers question the study method.
- Life
You don’t have to go to Antarctica to see wild penguins
Tourists can visit many species of wild penguins outside of Antarctica.
- Microbes
Front doors carry ‘thin patina’ of poop bacteria
A new map shows that Americans’ front door frames are coated in gut-dwelling microbes.
- Health & Medicine
If timing’s right, cats and roaches may be good for kids’ allergies
Exposure to mice, roaches and cats before a child’s first birthday may confer protection against asthma and allergies, a new study suggests.
- Genetics
Finally, some solid science on Bigfoot
DNA analysis finds no Bigfoot, no yeti, two weird bears and one scientist on a quest for the truth.
- Neuroscience
Sunbathing may boost endorphins in the body and brain
UV light makes mice churn out a molecule that is a cousin of morphine and heroin, a finding that may explain why some people seek out sunshine.
- Psychology
Online causes may attract more clicks than commitments
Online awareness campaigns can make people feel they’ve contributed to a good cause, but social scientists say the tangible benefits of such efforts may be small.
- Climate
How species will, or won’t, manage in a warming world
Fast evolution and flexibility, in biology and behavior, may allow some species to adapt to a warming world. Others may need help from humans, or risk dying out.
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Ancient Gene Takes Grooming in Hand
A gene involved in body development also plays a critical role in regulating the grooming behavior of mice, a discovery that may advance the understanding of certain psychiatric disorders.
- Paleontology
Did Mammals Spread from Asia? Carbon blip gives clue to animals’ Eden
A new dating of Chinese fossils buttresses the idea than an Asian Eden gave rise to at least one of the groups of mammal species that appeared in North America some 55 million years ago.
