6,697 results
- Agriculture
Resistance to Bt crops emerges
Resistance to pest-killing cotton crops is spreading among one species of caterpillar, but techniques to prevent the spread of resistance appear to be working for five other species.
- Life
Climate warms, creatures head for the hills
Unusual data let scientists test predictions that global warming drives species up slopes.
- Humans
From the September 18, 1937, issue
Wiping out insects not a good idea, a novel compound for preventing deadly blood clots, and firecrackers making fireflies flash faster.
- Health & Medicine
Malaria’s sweet spot
The malaria parasite's reliance on a sugar in the gut of mosquitoes may offer a way to block the disease's transmission.
- Animals
Don’t blame the guys
Scientists take a new look at what drives female damselflies to look like males.
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All in the Family
Contrary to popular belief, species of salamanders, birds, beetles and fish prefer to mate with close kin.
- Humans
Wash Your Veggies!
The lesson in all of these food-poisoning outbreaks is that we must not expect a risk-free food-supply chain.
- Health & Medicine
Parasite payback
The protozoan parasite that causes leishmaniasis seems vulnerable to the anticancer drug tamoxifen, research in mice shows.
- Health & Medicine
Animal rights and wrongs
Featured blog: Some animal-rights activists are taking a page out of the anti-abortionists' playbook and now bully animal researchers at home.
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Fly Moves: Insects buzz about in organized abandon
Fruit flies display a penchant for spontaneous behavior that represents an evolutionary building block of voluntary choice, also known as free will, a controversial study suggests.
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Letters
Get the real life In the article “Scientists get a second life” (SN: 5/24/08, p. 20), I take exception to Joanna Scott’s statement that “Second Life is real life.” In fairness, one could debate what she means by “life,” but the statement is just too strong to ignore. As technical director at a major theater, […]
- Computing
Computing Evolution
Scientists sift through genetic data sets to better map twisting branches in the tree of life.
