3,907 results
3,907 results for: Dogs
- 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 […]
- Agriculture
Big footprints
Livestock production carries surprisingly high, and largely hidden, environmental costs.
- Earth
Hey, What about Us?
The plight of polar bears may get most of the attention as climate change disrupts the Arctic ice, but plenty of other species, from walrus and seals to one-celled specks, are also going to see their world change radically.
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Best Friend’s Genome: Dog’s DNA sheds light on human genetics, too
Scientists have published the genome of a boxer, a detailed comparison of the dog's genome with the genomes of mice and people, and a study of genetic variation among dog breeds.
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19748
I am amazed that this article 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 effect seems to be that predatory behavior, by itself, is satisfying, […]
- Ecosystems
Tortoise Genes and Island Beings
Geneticists and conservation biologists are joining forces to untangle the evolutionary history of giant Galápagos tortoises and to safeguard the animals' future.
- Animals
Flea treatment shows downside of social life
The flealike parasites that build up in a shared burrow take an unexpectedly large toll on the ground squirrel's reproductive success.
- 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 […]
- 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.
- Agriculture
Cloned Meat and Milk Are Safe, but They Won’t Hit Stores Soon
A Food and Drug Administration analysis concludes that food from cloned animals is safe, but the effort and expense involved in creating these animals means that products from them won't be in markets anytime soon.
