News
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RNA test might reveal early cancer, offer drug target
Short strands of genetic material called microRNAs could allow scientists to determine which colorectal cancers are likely to recur and might offer targets for new anti-cancer drugs.
- Animals
Worm can crawl out of predators
A parasitic worm can wriggle out through a predator's gills or mouth if the predator eats the worm's insect host. With video.
- Health & Medicine
Protein interacts with hormone that quells hunger
A protein that's more abundant in the blood of obese people inactivates leptin, a hormone that controls hunger.
- Planetary Science
Ice among the rocks
A newly discovered trio of icy comets, hidden among the thousands of rocks in the main asteroid belt, may be part of a previously unknown class and a primary source of water for the dry, early Earth.
