News
- Materials Science
Chemical sensors gain true portability
Researchers have designed simple new films for indicating the presence of worrisome airborne chemicals.
- Earth
Deep-sea gear takes wild ride on lava
When a set of instruments monitoring an underwater volcano got trapped in an eruption in early 1998, the scientists who had deployed the sensors ended up with more data than they bargained for.
- Animals
Smart tags show unexpected tuna trips
The first report on Atlantic bluefin tuna wearing electronic tags reveals much more dashing across the ocean than expected.
- Astronomy
Astronomers spy familiar planetary system
Studying a star in the Big Dipper, astronomers have for the first time found a planetary system that reminds them of home.
- Health & Medicine
Drugs Counter Mad Cow Agent in Cells
Fueled only by promising studies of cells, a California research team has invited controversy by beginning to give a little-used malaria drug to patients who have the human version of mad cow disease.
- Humans
Cloning hearing creates media frenzy
A panel reviewing human cloning heard the pros and cons of the issue during a fiery debate.
- Humans
Bush favors some stem cell research
President Bush said he would support work on stem cells that already had been propagated from embryos otherwise fated for disposal in fertility clinics, but he opposes financing the destruction of additional embryos to create new cell lines.
- Astronomy
Eros: The movie
Close-up views of the asteroid 433 Eros, showing jagged rocks, fields of boulders, and debris-filled craters, are featured in a minute-long movie.
- Astronomy
Senior star may have comets
Astronomers have found what could be the first evidence of water-bearing objects that orbit a star other than the sun.
- Health & Medicine
Could this be the end of the monthly period?
Two compounds stop menstruation in monkeys, suggesting that similar drugs might someday enable women to bypass monthly bleeding.
- Health & Medicine
Protein may post lung cancer warning
The protein Ki-67, sometimes present on tissue lining the lungs, may act as a warning sign of lung cancer risk for ex-smokers.
- Health & Medicine
Once a cesarean, always a cesarean?
Expectant mothers who've already given birth by cesarean section put themselves at increased risk of uterine rupture by trying vaginal birth.
