8,095 results
- Health & Medicine
The salmon that went moo
People allergic to milk products could face potentially life-threatening risks by eating casein-treated fish.
- Animals
Pregnant—and Still Macho
Some of the basic theories of sexual behavior and sexual selection are getting attention thanks to a burst of new studies in the topsy-turvy social world of the seahorse, where the males get pregnant.
- Paleontology
Into the Gap: Fossil find stands on its own four legs
A fossil originally misidentified as an ancient fish turns out to be the nearly intact remains of a four-limbed creature that lived during an extended period noted for its lack of fossils of land animals.
- Animals
Tadpoles kill by supersuction
A high-speed video shows tiny African tadpoles that catch their prey in a manner unlike that used by any other frog larvae: by shooting out a tubular mouth for superfast suction.
- Ecosystems
State of U.S. Agro-ecosystems
About one-quarter of the United States’ land cover, excluding Alaska, is farmed–some 430 million to 500 million acres. A massive new project has just assessed this and other food-producing environments, such as coastal waters, fresh waters, and rangelands, to tally factors contributing to health. Released on Sept. 24, it indicates that most ecosystems are undergoing […]
- Earth
A Stinging Forecast: Model predicts chance of encountering jellyfish
Weather forecasters usually prognosticate precipitation, pollen, and poor air quality, but in some areas, they could soon provide beachgoers with the probability of confronting a jellyfish.
- Materials Science
Molecular Separations: New artificial sieve traps molecules
Researchers have created a metal-laced organic solid that acts as a sieve with nanosize pores for capturing molecules.
- Materials Science
Worm’s teeth conceal odd mineral material
A worm's teeth contain a copper mineral that could serve as a model for new materials.
- Health & Medicine
Don’t Belittle this Vitamin
As vitamins go, B6 doesn’t fly high on the radar screen of most consumers. However, owing to its many benefits–which include protecting DNA–this unsung nutritional hero shouldn’t be neglected, argue a pair of scientists. Last week, they reported data showing that when people consume diets low in this vitamin, their blood has higher rates of […]
- Health & Medicine
Herbal Lottery
Many herbal-product makers aren't maintaining adequate quality control, prompting the Food and Drug Administration to propose rules that mandate good manufacturing practices.
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Yikes! The Lichens Went Flying
Tales from the dark (and frequently crunchy) side of biodiversity.
- Health & Medicine
Too Much of a Good Thing: Excess vitamin A may hike bone-fracture rate
Dietary studies suggest that people who consume large amounts of vitamin A in foods or multivitamins are more likely to suffer hip fractures than are people who ingest modest amounts.
