3,967 results
3,967 results for: Dogs
-
Double Trouble: Tumors have two-pronged defense
By depleting an essential amino acid and releasing a toxin, cancer cells can ward off attack by the immune system.
- Archaeology
La Brea del Sur
Excavations at tar pits in Venezuela suggest that the fossils found there may rival those of the famed Rancho La Brea tar pits in Southern California.
- Humans
Obama Likes Research
Featured blog: The Obama campaign answers 14 questions posed by the Science Debate 2008 committee, and research figured prominently in most of the answers.
- Animals
Courting Costs: Male prairie dogs seem too busy mating to dodge predators
Male prairie dogs get so distracted during mating season that predators find them easy pickings.
-
- Health & Medicine
Grim Reap Purr: Nursing home feline senses the end
A nursing home cat in Rhode Island knows when the end is nigh, predicting with uncanny accuracy when residents will die.
- Paleontology
Twice upon a Time
New fossil finds suggest that the complex features of mammals originated earlier than previously thought and might even have evolved independently in different mammalian lineages.
- Health & Medicine
Orexin-blocking pill speeds sleep onset
A new compound that inhibits the activity of the alertness-promoting brain peptide orexin shows promise as a potential sleeping pill.
- Archaeology
Dawn of the City
A research team has excavated huge public structures from more than 6,000 years ago in northeastern Syria, challenging the notion that the world's first cities arose in the so-called fertile crescent of what's now southern Iraq.
- Physics
Extreme Measures
Physicists use atom interferometry to measure gravity and other forces with unrivaled precision, and the technique could potentially guide airplanes and uncover buried caches of oil and diamonds.
- 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.
- 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 […]
