6,697 results
- Agriculture
Insecticide Inside: Gene-modified rice cuts chemical spraying in China
In the hands of Chinese farmers, varieties of rice genetically modified to fend off insects reduce pesticide use and increase crop yields.
- Humans
Letters from the May 14, 2005, issue of Science News
It’s kids’ stuff Regarding the therapeutic effects of sunflower-seed oil on infants (“Anoint Them with Oil: Cheap-and-easy treatment cuts infection rates in premature infants,” SN: 3/12/05, p. 165), has any research been done as to the health benefits of the oil in any other age group? Yael LevyNew York, N.Y. Research to date has focused […]
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30 Hours with Team Slime Mold
A bunch of biologists volunteer for a mad weekend of biodiversity surveying to see what's been overlooked right outside Washington, D.C.
- Math
A Gathering for Gardner
Recreational mathematics and magic highlighted a lively gathering held recently to honor Martin Gardner. For additional news, visit the MathTrek blog.
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- Earth
Organic Choice: Pesticides vanish from body after change in diet
Children can eliminate their bodies' loads of agricultural pesticides by eating organically grown products.
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Learning to Listen
Disparate groups of creatures, including bats, toothed whales, and birds, have evolved biological sonar that they use to track prey, but other creatures have evolved ways to detect this sonar and thereby increase their odds of survival.
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Losing Sleep: Mutant flies need less shut-eye
The ability to get by on little sleep may have a strong genetic component, according to a new study in fruit flies.
- Animals
Policing egg laying in insect colonies
Kinship by itself can't explain the vigilante justice of some ant, bee, and wasp workers.
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Bacterial Nanny: Beewolf grows microbe for protecting young
A European wasp leaves a smear of bacteria near each of her eggs as protection against the perils of youth.
- Animals
Naked and Not
The Damaraland mole rat may be less famous than its naked cousin, but both have some of the oddest social structures found in a mammal.
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19490
I was surprised to read in this article the explanation, “Those low-pressure swirls create suction that pulls the insect upward.” There is no physical force known as “suction.” As the article correctly states, the leading-edge wing vortices create a low-pressure zone above the wings, and the higher-pressure air under the insect’s wings pushes the insect […]
