4,006 results
4,006 results for: Dogs
- Microbes
Microscopic menagerie
The microbes dwelling in and on multicellular organisms should be viewed as evolutionarily inseparable from their hosts, some biologists argue.
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19061
In this article it was speculated that calorie restriction reduces the production of free radicals. We have found that food deprivation almost doubles concentrations of melatonin in various parts of the gastrointestinal system. Melatonin, a very potent scavenger of free radicals, has increased the lifespan of mice in several studies. It could be that the […]
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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 […]
- Health & Medicine
New Australian virus infects people
Australian scientists have identified a new virus, apparently spread by fruit bats, that causes birth defects in pigs and severe illness in some people exposed to infected pigs.
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Puppy tests flunk long-term checkups
A follow-up study of dog-personality tests suggests that they don't have the predictive power many puppy purchasers expect.
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Brain-Cell Loss Found in Narcolepsy
The puzzling sleep disorder known as narcolepsy stems from the destruction of a small group of brain cells.
- Archaeology
Ancient Site Holds Cannibalism Clues
An 800-year-old Anasazi site in Colorado yields contested evidence of cannibalism.
- Computing
Games Theory
Online games can not only entertain but also provide valuable data for researchers tackling computer-vision and other tough computational problems.
- Animals
Egg Shell Game
Birds apparently cheat chance when it comes to laying eggs that contain sons or daughters.
- Health & Medicine
Taking a Jab at Cancer
Vaccines that train a person's immune system to kill cancerous cells, when combined with drugs that block tumor defense mechanisms, are starting to show promise.
- Astronomy
Sputnik + 50
The launch of Sputnik 1, 50 years ago, ushered in a scientific and technological revolution, but dreams of the human conquest of space have faded.
