4,004 results
4,004 results for: Dogs
-
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 […]
- 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 […]
- 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.
-
- Physics
Short-lived particle questions long-lived theory
In sifting through the ashes of a short-lived subatomic particle called the kaon, physicists are slowly accumulating new hints that the theory of elementary particles might one day have to be modified.
-
- Health & Medicine
Don’t forget diet composition
Caloric restriction, an antiaging technique, fails to lower levels of IGF-1, a growth factor that, in high amounts, is linked to cancer in humans. But cutting protein along with calories does decrease IGF-1.
- Life
Beetles grow weed killer
Beetle moms carry their own bacteria for making a compound to protect their gardens.
-
- Science & Society
Top 25 stories of 2013, from microbes to meteorites
This year, careful readers may have noticed a steady accumulation of revelations about the bacterial communities that call the human body home.
- Animals
China trumps Near East for signs of most ancient farm cats
Earliest evidence found for grain as a force in feline domestication.
