4,012 results
4,012 results for: Dogs
- Animals
Now-extinct wolf may be ancestor of modern-day dogs
No strong signs of canine ancestry among living grey wolves.
- Life
In the real world, cheetahs rarely go all out
Famous for speed, the big cats actually rely on acceleration and maneuverability to capture prey.
-
From the October 31, 1931, issue
CATS WERE WILD IN ANCIENT SOUTHWEST In ancient America, it was bad luck to meet a cat on a dark night. All the cats that the Indians knew were wildcats. Dogs were tamed and learned to follow Indian hunters and Indian children around, but cats walked by themselves, very wild and alone. The Indian pottery […]
- Humans
Letters from the May 12, 2007, issue of Science News
Saw right through it E. Fred Schubert and his colleagues are to be congratulated for developing an improved antireflective coating (“The New Black: A nanoscale coating reflects almost no light,” SN: 3/3/07, p. 132). But the coating would not make a lens “absorb” more light. Rather, it would help the lens “propagate” the light. Nathaniel […]
- Ecosystems
Arctic melting may help parasites infect new hosts
Grey seals and beluga whales encounter killer microbes as ranges change.
- Neuroscience
Like people, dogs have brain areas that respond to voices
MRI study may help explain how pups understand human communication.
- Neuroscience
Me, Myself, and Why
Me, Myself, and Why is an ambitious effort to dissect the hodgepodge of genetic and environmental factors that sculpt people’s identities.
- Health & Medicine
Experimental drug no Methuselah formula
Compound lets mice live healthier lives but doesn't extend life span.
- Health & Medicine
Meaty diets may raise risk of dying young
Reducing protein consumption can lengthen life and improve health, studies in mice and people suggest.
- Humans
Letters from the December 23 & 30, 2006, issue of Science News
Playing dead is a lively topic I am amazed that “Why Play Dead?” (SN: 10/28/06, p. 280) concluded that “Scientists have a long way to go to explain why” prey animals play dead. As a veterinarian, I have learned that there are separate centers in the brain dealing with predatory behavior and with hunger. The […]
- Health & Medicine
Whooping cough bounces back
A new type of pertussis vaccine introduced in the late 1990s may have led to the return of a disease that was nearly eradicated 40 years ago. Public opposition to vaccination hasn’t helped matters.
- Life
Young tasmanian devil moms
Tasmanian devils have started mating much earlier in response to an epidemic, called facial tumor disease, that is wiping out much of their population.
