News
- Tech
Switch-a-Vision: Electric spectacles could aid aging eyes
A new type of eyeglasses that change their focus in response to electric signals may one day replace bifocals and other types of reading glasses.
- Astronomy
Crash: Ripples of space-time debut in black hole simulations
Two teams have for the first time successfully simulated the merger of two black holes and the event's production of gravitational waves.
- Tech
A better test for lung cancer?
A genetic test of cells lining the windpipe can detect lung cancer in smokers.
- Health & Medicine
Hot-pepper ingredient slows cancer in mice
Capsaicin, the component of red pepper that makes it hot, kills cancer cells in a test tube and inhibits their growth in mice.
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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.
- Ecosystems
Antarctic birds are breeding later
Rising global temperatures are causing Arctic birds to breed earlier in the spring, but for Antarctic birds, the reverse is true.
- Planetary Science
Brilliant! Tenth planet turns out to be a shiner
Xena, unofficially called the 10th planet, is the second-most-shiny known object in the solar system.
- Chemistry
Dynamic Duo: Two catalysts build valuable carbon chains
By combining the power of two well-known reactions, chemists have devised a way to alter the length of linear carbon chains.
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Sleeper Finding: Hormone key to hibernation?
A recently discovered hormone may play a major role in triggering and maintaining hibernation.
