News
-
Chopping up a microbial tail
An enzyme made by immune cells destroys the proteins that make up bacterial tails.
By John Travis -
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.
By Ben Harder -
Astronomy
Finding a nearby star
Astronomers have discovered a star that may be among the very closest known to us.
By Ron Cowen -
Ecosystems
Zebra mussels to the rescue
Bioengineers have harnessed zebra mussels to help avert algal blooms by cleaning particles, including algae, from the water.
By Janet Raloff -
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.
By Bruce Bower -
Astronomy
Satellite begins its ultraviolet survey
NASA last month released the first images taken by the recently launched Galaxy Evolution Explorer satellite.
By Ron Cowen -
Health & Medicine
Heart drug derails algal toxin
A drug for treating high cholesterol might someday find use relieving the debilitating symptoms of poisoning from some algal toxins.
By Janet Raloff -
Humans
Fellowships awarded to Science News writers
Two Science News writers recently received prestigious fellowships.
-
Eggs and more grown from mouse stem cells
Stem cells from mouse embryos can be converted into eggs, skin, or heart muscle.
By John Travis -
Earth
Vermiculite turns toxic
Federal agencies issued a warning that much of the vermiculite ceiling insulation installed a decade or more ago may be tainted with cancer-causing asbestos.
By Janet Raloff -
Earth
To contain gene-altered crops, nip them in the seed
Researchers have demonstrated that, in principle, they can add genes that block genetically modified crops from breeding with conventional varieties and thus from spreading their artificial traits.
By Ben Harder -
Math
Uncovering a prime failure
Mathematicians have returned to the drawing board after what looked like a dramatic step forward in understanding prime numbers.