6,875 results
6,875 results for: Bears
- Earth
Quick Bite: Some gorges carved surprisingly fast
Analyses of rock samples from two river gorges along the Atlantic seaboard suggest that the largest parts of those chasms were carved during a geologically short period at the height of the last ice age.
-
Gutless Wonder: New symbiosis lets worm feed on whale bones
A newly discovered genus of marine worm can take nourishment from sunken whale skeletons, thanks to a previously unknown form of symbiosis.
- Health & Medicine
Against the Migraine
Migraines may be among the problems that stem from a common but rarely diagnosed heart defect, and researchers have discovered that repairing the defect cures some of the headaches.
-
- Humans
From the August 11, 1934, issue
Ruins of magnificent Assyrian palace uncovered, termites need fungus to thrive, and Homo sapiens thought to be 10 million years old.
- Paleontology
Growth Spurt: Teenage tyrannosaurs packed on the pounds
Detailed analyses of tyrannosaur fossils suggest that the creatures experienced an extended growth spurt during adolescence.
-
Psst. This fly’s ears can rival a cat’s
The unusual eardrums of a tiny parasitic fly turn out to rival cats', owls', and people's abilities to pinpoint the origin of a sound.
-
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.
- Ecosystems
One-Celled Socialites
A wave of research on the social lives of bacteria offers insights into the evolution of cooperation and may lead to medical breakthroughs that neutralize virulent bacterial strains.
- Health & Medicine
A Carrot Rainbow (with recipe)
There are more than aesthetic benefits from looking beyond orange when it comes to selecting carrots.
- Health & Medicine
A Fishy Therapy
Shark cartilage continues to be sold to fight cancer, even though its efficacy has not been confirmed by any major U.S. trials.
-
Bubble Trouble: Mad cow proteins may hitch a ride between cells
Prions, the proteins behind mad cow disease, may travel between cells in bubbles called exosomes.
