2,560 results
2,560 results for: Cats
- Neuroscience
Like people, dogs have brain areas that respond to voices
MRI study may help explain how pups understand human communication.
- Humans
Letters from the September 9, 2006, issue of Science News
Brother bother If having biological older brothers correlates to homosexuality (“Gay Males’ Sibling Link: Men’s homosexuality tied to having older brothers,” SN: 7/1/06, p. 3), then we would expect that in the past, when families were larger, there would be a greater proportion of homosexuals. Is there any evidence for this? Rick NorwoodMountain Home, Tenn. […]
- Humans
Letters from the September 16, 2006, issue of Science News
Hot topic It seems more likely that a decline of total precipitation and humidity would be the direct cause of both temperature and fire incidence (“The Long Burn: Warming drove recent upswing in wildfires,” SN: 7/8/06, p. 19). It is fashionable to blame every weather problem on greenhouse gases and global warming, but in this […]
- 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
Astrocytes are rising stars
Astrocytes, brain cells previously thought to be support cells for neurons, regulate blood flow in the brain and may aid neuron signaling. The regulation of blood flow makes visualizing brain activity with fMRI possible.
- Health & Medicine
To catch a cheat
Drug test cheaters find quick fixes on the Web, but toxicologists aren’t so easily fooled.
- Life
Tough times for mammals
Between a fifth and a third of the world’s mammal species face the threat of extinction.
- Genetics
Top genomes of 2013
Scientists continue to decode the genetic blueprints of the planet’s myriad flora and fauna.
- Animals
China trumps Near East for signs of most ancient farm cats
Earliest evidence found for grain as a force in feline domestication.
- Animals
Dog-paddle science debunks notion of underwater trot
From Newfoundlands to Yorkshire terriers, canines swim with similar, distinctive gait.
- Animals
Synchronous birth
For young banded mongoose moms, there’s only one choice for when to give birth — the same day as older, dominant mothers. In communities of these cat-sized animals, all females give birth together, no matter when they became pregnant.
- Materials Science
Nanotube whiskers could aid robot-human interaction
Tiny hairlike sensors made from nanomaterials are more sensitive than existing devices to detect tiny pressures.
