Uncategorized
- Plants
Promiscuous orchids
When pollinators aren't loyal to a single species of orchid, the plants maintain their species integrity by stymieing reproduction.
- Physics
Black Hole of Light: Laser pulses create model of event horizon
Physicists have created the optical analog of a black hole's surface of no return, a setup that could help test whether actual black holes glow.
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Regarding this article: A black hole is in a geometrical sense an end to the universe. If we picture the universe using Euclidean geometry, we can imagine going straight out forever. As we approach a black hole, the huge mass changes the geometry so that we also go on forever reaching the surface. We cannot […]
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Aging Factor: Gene mutations may be key to long life
Some centenarians carry mutations in a pathway associated with longevity in worms and fruit flies.
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Riff Riders: Brain scans tune in to jazz improvisers
Accomplished jazz pianists are able to improvise musical passages thanks in part to a set of reactions at the front of the brain that free self-expression from conscious monitoring and self-censorship.
- Earth
Ancient Chasm: Parts of Grand Canyon may be 17 million years old
The chemical composition of mineral formations in caves along the Grand Canyon may provide fresh insight into the chasm's history, including its age and the rate at which it was carved.
- Health & Medicine
Cancer Risk: Colon growths might not be so obvious
Some colorectal growths that are precancerous aren't polyps.
- Math
The Geometry of Music
Music is an audible exploration of hyperdimensional geometries, according to new research.
- Tech
Finding mass graves from on high
Aerial surveys that scan the ground at many wavelengths, some visible and some not, may offer a way to quickly and easily detect mass grave sites.
- Humans
Calling all clues …
Add flip-open cell phones to the list of crime-scene items that might harbor a suspect's DNA.
- Earth
Some corals buffered from warming
Corals in the western Pacific have escaped bleaching linked to rising ocean temperatures.
- Humans
Encyclopedia of Life starts online—at times
The project to create an online Encyclopedia of Life with a Web page for every species has taken its first, baby steps. The free-access, scientifically vetted encyclopedia, headquartered at the Smithsonian Institution in Washington, D.C., opened its first portal to preliminary Web pages (www.eol.org) Feb. 26. Some 11 million hits in the first few hours […]
