5,519 results
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Pass the Genes, Please
Gene swapping muddles the history of microbes.
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Bacteria make locust-swarm signal
A pheromone that helps drive locusts into a swarm comes from bacteria in their gut.
- Chemistry
Toxic runoff from plastic mulch
Pesticide runoff from tomato fields covered with sheets of plastic can kill fish, clams, and other aquatic life.
- Health & Medicine
The Risks in Sweet Solutions to Young Thirsts
Babies seem to be born with a sweet tooth–one that many adults retain. However, parents and caregivers who indulge a child’s appetite for sugary drinks may be fostering cavities in their children’s teeth, a new study finds. Sugary beverages, especially soda pop, caused more cavities than juice or juice-containing drinks did. That idea may seem […]
- Earth
Clean Casualties: Everyday chemicals may shift ecosystems
Trace amounts of the chemical concoctions used to battle bacteria in kitchens and bathrooms may kill off algae, an effect that researchers say may have far-reaching consequences.
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Dying before Their Time
Genetically engineered mice that get prematurely old give hints to the causes of aging.
- Health & Medicine
Bacteria offer drug for organ recipients
Korean investigators have identified a compound that suppresses the immune system of animals.
- Chemistry
Glowing bacteria gobble gook in soil
A genetically engineered bacterium lights up as it breaks down organic contaminants in soil.
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Two Meningitis Bacteria Yield Genomes
Scientists have sequenced all the genes of two strains of a bacterium that causes meningitis, which may lead to the development of a much-needed vaccine
- Animals
Thoroughly Modern Migrants
Butterflies and moths are causing scientists to devise a broader definition of migration and this has raised some old questions in new ways.
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Drugs order bacteria to commit suicide
Seeking to explain how antibiotics work, scientists find a protein that commands bacteria to kill themselves.
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Viral enzyme tackles strep throat
An enzyme from viruses that chew up bacteria may be a new kind of antibiotic.
