8,095 results
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From sleep to science literacy at the 2010 AAAS meeting
Read Science News' complete coverage of the American Association for the Advancement of Science meeting held February 18–22, 2010 in San Diego, Calif.
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- Earth
Green-ish pesticides bee-devil honey makers
Pesticides are agents designed to rid targeted portions of the human environment of undesirable critters – such as boll weevils, roaches or carpenter ants. They’re not supposed to harm beneficials. Like bees. Yet a new study from China finds that two widely used pyrethroid pesticides – chemicals that are rather “green” as bug killers go – can significantly impair the pollinators’ reproduction.
- Life
Wild herring prove fast organizers
Recent technology helps researchers find out how a bunch of fish turn into a shoal.
- Ecosystems
Fish Houses
Tanked half-way houses allow people and fish to get acquainted on their own terms — and exhibit their individual personalities.
- Animals
Megafish Sleuth: No Steve Irwin
There's no reason a scientist can't be an action hero — even if his damsels in distress have fins.
- Earth
Bird deaths blamed on vitamin deficiency
Shortage of thiamine may have been killing birds in the Baltic and possibly elsewhere for some 25 years.
- Life
Rock-climbing fish caught in evolution tug-of-war
Tall is good for dodging danger, but short is better for climbing waterfalls.
- Health & Medicine
For a lucky few, ‘dioxins’ might be heart healthy
Dioxins and their kin are notorious poisons. They work by turning on what many biologists had long assumed was a vestigial receptor with no natural beneficial role. But it now appears that in a small proportion of people, this receptor may confer heart benefits.
- Earth
Atrazine paper’s challenge: Who’s responsible for accuracy?
As a new critique of a review paper on atrazine suggests, some papers may simply overtax a journal’s fact-vetting enterprise. Which would be bad for science. And bad for society.
- Health & Medicine
PCBs hike blood pressure
No one would choose to eat polychlorinated biphenyls, or PCBs — yet we unwittingly do. And a new study finds that the cost of their pervasive contamination of our food supply can be elevated blood pressure, a major risk factor for heart disease.
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Pearls Unstrung
For a while, the Great Lakes weren’t connected by rivers and Niagara Falls was just a trickle.
