8,095 results
-
Eat Smart
Your daily diet may have an impact on your brain's resiliency in the face of injury or disease.
-
Macho Makeover: Fish rapidly ascend social ladder
Some male fish can upgrade their social status, and their appearance, in a matter of minutes.
- Health & Medicine
Dementia off the Menu: Mediterranean diet tied to low Alzheimer’s risk
People 65 years of age and older who eat a Mediterranean-style diet that's rich in plant matter and fish and low in saturated fat are less likely than their peers to develop Alzheimer's disease.
- Chemistry
Gritty Clues
Archaeologists are tying chemical signatures found in the soil to past human activity.
- Animals
New candidates for smallest vertebrate
Two recent scientific papers have described fish species that could, depending on the definition, be the world's smallest known vertebrate.
-
Wasting Deer: Deer saliva and blood can carry prions
Saliva alone can transmit a brain-destroying disease from one animal to another.
- Earth
Something’s fishy about these hormones
Synthetic steroids used to beef up cattle can impair reproduction in female fish and even give them macho physical traits.
- Earth
Oil Booms: Whales don’t avoid noise of seismic exploration
Field tests in the Gulf of Mexico suggest that sperm whales there don't swim away from boats conducting seismic surveys of the seafloor, but the noise generated by such activity may be subtly affecting the whales' feeding behavior. With video.
-
Shades of Flesh Tone: Tests reveal gene for people’s skin color
Researchers have identified a gene that they propose plays a major role in determining a person's skin color.
- Earth
Sinking Mercury: Light-based reactions destroy toxic chemical in Arctic lakes
Sunlight triggers the entry of poisonous mercury into polar lakes, but it also removes most of the toxic compound before fish can consume it.
-
Pigging Out Healthfully: Engineered pork has more omega-3s
Scientists have created pigs that sport much higher concentrations of omega-3 fatty acids in their tissues than normal pigs do.
- Humans
Letters from the August 19, 2006, issue of Science News
Aye carumba Math isn’t the only science that makes it into The Simpsons (“Springfield Theory,” SN: 6/10/06, p. 360). In one episode a few years ago, a meteorite landed near Bart. He picked it up and put it in his pocket. Although most people are under the impression that meteorites are extremely hot, they’re not. […]
