6,697 results
- Life
Aphids support symbionts with borrowed DNA
Aphids borrowed at least two genes from bacterial buddies, and those genes now support another bacterium that lives in the insects.
- Agriculture
Pesticide potency can depend on bug’s clock
The daily rhythms in gene activity can affect the toxicity of some poisons.
- Animals
Scent of alarm identifies male bed bugs
When mistaken for females, the guys release an alarming pheromone.
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No brainer behavior
Messages, memory, maybe even intelligence — botanists wrangle over how far plants can go.
- Earth
Toxic playgrounds
No kid should ever play in arsenic. Especially at school. Yet many probably do, according to findings of a study presented today.
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All kinds of tired
Donkeys sleep about three out of each 24 hours. Certain reef fish spend the night moving their fins as if swimming in their sleep. Some biologists argue that all animals sleep in some form or another. But identifying sleep can get complicated. Insects have brain architecture so different from humans’, for example, that electrophysiological recordings […]
- Ecosystems
Venom attracts decapitating flies
New study may help scientists improve control of invasive fire ants
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- Health & Medicine
Insects (the original white meat)
Dining on insects, usually more by choice than necessity, occurs in at least 100 countries — and may be better than chicken for both people and the environment.
- Life
Fossil find sparks debate on primate origins
A 37-million-year-old jaw suggests the famous fossil Darwinius does not, as had been suggested, fill a gap in human evolution.
- Life
Web decorating with garbage
Spider webs adorned with decaying food remains attract more attacks, but maybe there’s a defensive trade-off at work.
- Life
Sleeping ugly
Analysis pinpoints genes that help springtails dehydrate and tough out the winter.
