8,095 results
- Earth
Woods to Waters: Wildfires amplify mercury contamination in fish
Forest fires mobilize mercury from the soil and can send the toxic metal into nearby streams and lakes where it accumulates in fish.
- Health & Medicine
Early Arrival: HIV came from Haiti to United States
New analysis of 25-year-old blood samples indicates that HIV reached the United States in about 1969, 12 years before AIDS was first formally described.
- Humans
Marlin Crash May Be Worse Than Reported
A newly identified species of billfish resembles white marlins so closely that its presence might be masking how decimated Atlantic stocks of the marlin really are.
- Animals
Not So Spineless
Looking for personalities in animals, even among spiders and insects, could add new twists to ideas about evolution and explain some odd animal behavior.
- Physics
Pulling Strings: Stretching proteins can reveal how they fold
Unfolding a single protein by pulling on its ends reveals the molecular forces that make it fold up.
-
Stranded: A whale of a mystery
Scientists generally agree that sonar can trigger strandings of certain whales, but no one really knows what leads these deep divers to the beach.
- Earth
Don’t Bite the Dust
Several studies show that children and adults accumulate substantial amounts of the flame retardants called PBDEs—from food, breast milk, and probably house dust.
- Health & Medicine
Rotten Remedy
The gas well-known for its smell of rotten eggs is, recent studies show, a ubiquitous concoction in the body. New studies suggest that the hydrogen sulfide occurring naturally inside us can be both friend and enemy to our health.
- Humans
Congress upgrades fisheries protection
Congress has reauthorized and strengthened a 30-year-old federal law governing fishing and ocean management.
- Earth
Aquatic Non-Scents
Many common pollutants appear to be jeopardizing the survival of fish and other aquatic species by blunting their sense of smell.
- Earth
New solutions for unused drugs
Pharmacists and federal scientists have launched a program to discourage consumers from flushing unused prescription drugs down the toilet.
- Earth
E-Waste Hazards: Chinese gear recyclers absorb toxic chemicals
People who live in an area of China where electronic devices are dismantled and recycled, as well as villagers 50 kilometers away, have high concentrations of flame retardants in their blood.
