News
- Chemistry
Catnip repels pest
Known to repel cockroaches and mosquitoes, catnip oil also works against termites.
- Health & Medicine
Danes keeping drugs out of livestock
Reducing the amount of antibiotics given to livestock in Denmark has lowered the amount of drug-resistant Enterococcus faecium bacteria in the meat of these animals.
- Health & Medicine
Indian encephalitis is traced to measles
An outbreak of fatal encephalitis in India appears to have been caused by a strange form of rashless measles in a majority of the sick children tested.
- Health & Medicine
New Australian virus infects people
Australian scientists have identified a new virus, apparently spread by fruit bats, that causes birth defects in pigs and severe illness in some people exposed to infected pigs.
- Health & Medicine
Venison can contain E. coli bacteria
Escherichia coli, which causes severe diarrhea in people, may be widespread in deer, a finding that raises concerns about preparation of wild-game meats.
- Earth
Death for the killer seaweed
Biologists have launched a campaign to eradicate the first infestation in open American waters of an invasive mutant algae.
- Earth
Estrogen effects linger in male fish
Male fish can inappropriately make egg yolk protein, even when only intermittently exposed to water tainted with an estrogenic pollutant.
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Yeast sex: Only for certain partners
Two studies independently confirm that Candida albicans, a strain of yeast long believed to be asexual, can sexually reproduce under certain conditions.
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Metal in diet harms Colorado birds
Cadmium, a metal naturally present in south-central Colorado, concentrates at deadly levels in willow plants, poisoning the ptarmigan that rely on the plant during winter months.
- Health & Medicine
Weight-loss pill carries risks
The drug ephedra and its presumed active ingredient, ephedrine, provide only modest weight-loss effects and pose health risks.
- Astronomy
All-sky survey makes Internet debut
An atlas of some 5 million images from the Two Micron All-Sky Survey is now available online.
- Earth
Mapping watersheds invites comparisons
Computerized maps of environmental features for 154 of the largest river watersheds will soon be available to the public, free of charge.
