3,976 results
3,976 results for: Dogs
- Health & Medicine
Calories May Not Count in Life Extension
In fruit flies, shifting the concentrations of nutrients while only modestly cutting calories extends lifespan just as much as a drastic calorie cut does.
- Animals
How dingoes got down under
DNA analysis suggests that Australia got its famous dingoes from a very few dogs brought along with people fanning out from East Asia some 5,000 years ago.
- Humans
Letters from the February 12, 2005, issue of Science News
Short end of the chromosome Since “women with chronically ill children generally reported more stress” and since “there was a very striking connection between stress and telomere length” (“Stressed to Death: Mental tension ages cells,” SN: 12/4/04, p. 355), isn’t it probable that there is a strong connection between telomere length and becoming the parent […]
- Math
New largest prime discovered
Computers have discovered a new largest prime number with a whopping 7,816,230 digits.
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19478
I’m a veterinarian, and, here in west Texas, we see a high occurrence of parvovirus infection in young dogs. It destroys the intestinal villi, allowing gastrointestinal bacteria and their toxins to enter the bloodstream. I would be very interested in learning whether or not small doses of nicotine would have a beneficial effect. Tom McCabeEl […]
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Breeds Apart: Purebred dogs defined by DNA differences
The most thorough DNA analysis yet of purebred dogs suggests that canine breeds can also be discerned genetically with great accuracy.
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19512
Your article reminded me that taking a bird’s song and transposing it down four octaves makes it sound like a whale’s song. The opposite is also true. To hear this, go to http://www.mind.net/music/birdwhaleDemo.mp3. Todd BartonAshland, Ore. The article would imply that the only anomaly to the theory that mass equates to longevity is that large-dog […]
- Humans
Irreplaceable Perplexity 101
An imaginary classroom provides lessons on the all-too-real debate over evolution and intelligent design.
- Earth
A Little Less Green?
Emerging data indicate that use of pyrethroid pesticides, even by home owners, poses significant environmental risks.
- Humans
From the September 1, 1934, issue
A new German zeppelin under construction, fossils of giant pigs, and word recognition in dogs.
- Humans
Letters from the August 7, 2004, issue of Science News
Pot shots Regarding “Pot on the Spot: Marijuana’s risks become blurrier” (SN: 5/22/04, p. 323: Pot on the Spot: Marijuana’s risks become blurrier), it seems to me that the stronger the social pressure against using marijuana in a culture, the more likely it will be that those who use it will be troubled, antisocial, or […]
- Humans
Letters from the April 9, 2005, issue of Science News
Big ideas Your article “Life on the Scales” (SN: 2/12/05, p. 106) reminded me that taking a bird’s song and transposing it down four octaves makes it sound like a whale’s song. The opposite is also true. To hear this, go to http://www.mind.net/music/birdwhaleDemo.mp3. Todd BartonAshland, Ore. The article would imply that the only anomaly to […]
