6,813 results
6,813 results for: Insects
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Beer-flavoring compounds guide insects
The class of compounds that give beer its bitterness does two more sober jobs in Hypericum flowers.
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Mice have a sharp nose for pheromones
Mice can detect pheromones with great sensitivity and in a way that's distinct from that of the main olfactory system.
- Health & Medicine
Flower Power: Corn lily compound stops cancer in mice
A new study in mice suggests that cyclopamine, a plant derivative that causes birth defects in animals, can inhibit medulloblastoma, a brain cancer in children.
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- Physics
Fluid Beauty
Visualizations of a swirling jet, an insect’s wake, agitated sand, and other types of fluid motion can produce stunning images. The American Physical Society’s Division of Fluid Dynamics annually recognizes research efforts that generate images having both scientific merit and aesthetic appeal. Its gallery of fluid motion features a variety of winning photographs (pdf images) […]
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Ant Patrol
With more than 11,000 ant species now identified worldwide, the “Antbase” Web site serves as the definitive guide to these social insects. Hosted by the American Museum of Natural History, the site provides links to a variety of resources devoted to ants, including databases, image collections, and news articles. Go to: http://research.amnh.org/entomology/social_insects/
- Animals
Better Than Real: Males prefer flower’s scent to female wasp’s
In an extreme case of sex fakery, an orchid produces oddball chemicals to mimic a female wasp's allure so well that males prefer the flower scent to the real thing.
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After West Nile Virus
As biologists try to estimate the impact of West Nile virus on wildlife, it's not the famously susceptible crows that are causing alarm but much rarer species.
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19207
The negotiators of the global persistent organic pollutants (POPs) treaty will include country-specific exemptions for continued use of DDT for malaria control in the approximately two dozen countries still using it. Nevertheless, your article also notes that DDT may soon be unavailable in many malaria-stricken regions. To address this concern, countries should consider some form […]
- Ecosystems
Making Scents of Flowers
Science gets the tools to start sniffing around the ecology of floral scent.
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Ant cheats plant; plant cheats back
An Amazonian tree grows little pouches on its leaves to invite ants to move in and provide guard duty, but the tree drops the pouches from old leaves because ants ravage the flowers.
- Health & Medicine
Worm genes take on bacterial foes
Creatures as simple as worms have an effective immune defense.
