News
- Earth
Sticky Situation: Nonstick surfaces can turn toxic at high heat
Nonstick cookware can, if overheated, sicken people and kill birds, according to a new analysis of research published over the past 40 years.
-
Getting an Earful: With gene therapy, ears grow new sensory cells
Scientists have for the first time coaxed the growth of new sensory cells within the ears of an adult mammal.
-
Salamander moms use bacteria to save eggs from fungi
Salamander skin has bacteria that repel egg-destroying mold.
-
Bulletproof bacteria
Bacteria can survive being blasted into space.
-
Smoking out microbes
The addictive compound nicotine kills bacteria, which may explain why smokers get lung disease.
-
Some like it hotter
A microbe found on the ocean floor can grow at 121°C, a new record for the upper temperature limit for life.
-
Chopping up a microbial tail
An enzyme made by immune cells destroys the proteins that make up bacterial tails.
- Earth
Whale meat in Japan is loaded with mercury
Some people in Japan who eat dolphins and other toothed whales are ingesting amounts of mercury that exceed legal health limits.
- Astronomy
Finding a nearby star
Astronomers have discovered a star that may be among the very closest known to us.
- Ecosystems
Zebra mussels to the rescue
Bioengineers have harnessed zebra mussels to help avert algal blooms by cleaning particles, including algae, from the water.
-
Findings puncture self-esteem claims
People who report high levels of self-esteem experience few of the beneficial effects often assumed to flow from this attitude.
- Astronomy
Satellite begins its ultraviolet survey
NASA last month released the first images taken by the recently launched Galaxy Evolution Explorer satellite.
