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EarthBreeding Parasites Along with Fish: Do sea lice from salmon farms spread far?
Marine parasites known as sea lice spread readily from farmed salmon to passing wild fish, according to a controversial study conducted in British Columbia.
By Ben Harder -
Follicle Size Matters: Hormone regimen may reduce pregnancy success
Hormone injections used to induce livestock and women to ovulate could force eggs to leave ovarian follicles before they are fully mature and thereby jeopardize pregnancy outcomes.
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PhysicsPinstripe Electricity: Novel fuel cell relies on thin, aqueous streams
A promising new type of fuel cell exploits microstreams of water, which behave like flows of gooey honey.
By Peter Weiss -
EarthHit Again: December temblor probably caused new Sumatran quakes
Seismic activity that rattled the Indonesian region early this week, including a quake that measured a whopping magnitude 8.7, was triggered by December's massive tsunami-spawning earthquake, scientists suggest.
By Sid Perkins -
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I usually tend to downplay worries about research in genetics, but I was quite concerned after reading this article. The researchers surely have plans to keep whatever they create contained. But adding a fifth base to the DNA of bacteria with a genetic mutation rate 10,000 times that of normal bacteria seems unnecessarily dangerous. I […]
By Science News -
ChemistryExpanding the genetic code
In an effort to explore the mechanisms of evolution, researchers have designed an unnatural chemical base and inserted it into synthetic DNA in a test tube.
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TechX rays detect fingerprints
Analytical chemists have developed a method that visualizes elusive fingerprints with X rays.
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ChemistryStopping wool from shrinking
Treating wool with a fungal enzyme not only prevents the fibers from shrinking but also is more environmentally friendly than using conventional chemical treatments.
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Health & MedicineMolecular decoy thwarts Alzheimer’s
Biomedical engineers have developed polymer molecules that bind to and block the activity of proteins associated with Alzheimer's disease.
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Planetary ScienceAssault on Mars
A Mars rover has discovered a patch of soil that's the saltiest place known on the Red Planet, an indication that water once coursed through the region.
By Ron Cowen -
EarthVolume of glaciers and ice caps is estimated
New topographic data have enabled scientists to estimate the volume of water trapped in the ice caps and glaciers outside of Antarctica and Greenland and to predict how high the sea level would rise if this ice melted.
By Sid Perkins -
AstronomyIt’s a star, but not much of one
Astronomers have discovered the smallest star known.
By Ron Cowen