3,977 results
3,977 results for: Dogs
- Math
Life on the Scales
A mathematical equation helps explain life processes on all biological scales, from molecules to ecosystems.
- Humans
Letters from the September 11, 2004, issue of Science News
Say what? I don’t think anyone should be surprised that squirrels have figured out how to say “nyah, nyah” to rattlesnakes (“Ultrasound alarms by ground squirrels,” SN: 7/3/04, p. 14: Ultrasound alarms by ground squirrels). After all, it’s what they’ve been saying to cats, dogs, and bird-feeder owning humans for years. R. Kelly WagnerAustin, Texas […]
- Astronomy
Dark Influence
A study of galaxy clusters tests whether dark matter particles can collide with each other, while other observations show that dark matter doesn't behave as expected near the centers of galaxies.
- Ecosystems
Empty Nets
New research has begun challenging long-held assumptions about the consequences for fish stocks of harvesting the biggest fish first.
- Health & Medicine
Narcolepsy Science Reawakens
Recent advances in understanding the biological underpinnings of narcolepsy have created a new diagnostic tool and point toward possible future therapies.
- Agriculture
Frozen Assets
A U.S. gene bank has begun deep-freezing semen and other livestock 'seed' for possible future use in research or breeding.
- Animals
Fox Selection: Bottleneck survivors show surprising variety
Foxes native to a California island—famous for the least genetic diversity ever reported in a sexually reproducing animal—have some variation after all.
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Letting the Dog Genome Out: Poodle DNA compared with that of mice, people
Biologists have deciphered the DNA sequence of a poodle, an accomplishment that may help researchers study more than 300 human diseases that also affect dogs.
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19377
Of course animals think, I’d say. But you say, “Many [scientists] theorized that nonhuman animals react to their surroundings without actually thinking.” My observation over the decades has been that most humans do the same, most of the time. George BlenderSan Diego, Calif. You don’t need all the elaborate experiments described in the article. If […]
- Animals
Second bird genus shares dart-frog toxins
Researchers have found a second bird genus, also in New Guinea, that carries the same toxins as poison-dart frogs in Central and South America.
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Possible Worlds
A growing number of reports highlight imagination's pervasive influence on thinking, one example of which is the surprisingly large proportion of well-adjusted preschoolers who play with make-believe companions.
- Health & Medicine
Delaying Dementia
The limited success of attempts to treat Alzheimer's disease with several compounds that appear able to prevent the disorder suggests that the window for derailing the development of the illness may close years before cognitive decline becomes evident.
