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| Biology articles |
Fungus does not depend on fungus-farming ants for reproduction
Fungus-farming ants around the world cultivate essentially the same fungus and are not as critical to the reproduction of the fungi as previously believed, biologists at The University of Texas at Austin have discovered
Sticky surfaces turn slippery with the flip of a molecular light switch
Changing a surface from sticky to slippery could now be as easy as flipping a molecular light switch. Researchers at Rensselaer Polytechnic Institute have created an "optically switchable" material that alters its surface characteristics when exposed to ultraviolet (UV) light
Sticky surfaces turn slippery with the flip of a molecular light switch
Changing a surface from sticky to slippery could now be as easy as flipping a molecular light switch. Researchers at Rensselaer Polytechnic Institute have created an "optically switchable" material that alters its surface characteristics when exposed to ultraviolet (UV) light
Sensor opens up study of crucial molecule
MIT scientists have discovered a way to monitor a crucial molecule as it goes about its business within living cells
Hormone's role in insects could give insight for cancer treatnent, malnutrition
Starvation typically has dire consequences for an organism's growth. In the tobacco hawkmoth, tissues starved during the last stage of larval development stop growing because they lack the proper nutrients
Study shows that genetic quality of sperm deteriorates as men age
New research indicates that the genetic quality of sperm worsens as men get older, increasing a man's risk of being infertile, fathering unsuccessful pregnancies and passing along dwarfism and possibly other genetic diseases to his children
Doe publishes research roadmap for developing cleaner fuels
The U.S. Department of Energy (DOE) has released an ambitious new research agenda for the development of cellulosic ethanol as an alternative to gasoline. The 200-page scientific "roadmap" cites recent advances in biotechnology that have made cost-effective production of ethanol from cellulose, or inedible plant fiber, an attainable goal
Solitions could power molecular electronics, artificial muscles
Scientists have discovered something new about exotic particles called solitons
Scientists take 'snapshots' of enzyme action
Scientists at the U.S. Department of Energy's Brookhaven National Laboratory, the New York Structural Biology Center, and SGX Pharmaceuticals, Inc., have determined the atomic crystal structure and functional mechanism of an enzyme essential for eliminating unwanted, non-nutritional compounds such as drugs, industrial chemicals, and toxic compounds from the body
The mini-dinosaurs from the Harz Mountains
When unusually small dinosaur fossils were found in a quarry on the northern edge of the Harz Mountains in 1998, it was initially assumed that these were the remains of a group of young dinosaurs. This was a fallacy, as the Bonn palaeontologist, Dr. Martin Sander, recently discovered
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Novel connection found between bilogical clock and cancer
Dartmouth Medical School geneticists have discovered that DNA damage resets the cellular circadian clock, suggesting links among circadian timing, the cycle of cell division, and the propensity for cancer
Food-crop yields in future greenhouse-gas conditions lower than expected
Open-air field trials involving five major food crops grown under carbon-dioxide levels projected for the future are harvesting dramatically less bounty than those raised in earlier greenhouse and other enclosed test conditions
For uranium cleanup… bacteria?
While the Cold War ended decades ago, its legacy will live for centuries in toxic waste
A tumor suppressor in mice and men
When protective mechanisms in cells fail, certain genes can cause tumours - and cancer
Algae's protein "tails" create motion- and aid munching
When single-celled organisms such as sperm crack their whip-like appendages called flagella, the beating sets them in motion
Cloaking device helps pathogens evade immune system
Why does our immune system easily identify many bacterial and viral infections yet sometimes miss other invaders, such as pathogenic fungi?
New finding about e coli could block infections, lead to better treatments
A newly discovered receptor in a strain of Escherichia coli can be blocked to avert infection, a finding that might aid in developing better therapies to treat bacterial infections resulting in food poisoning, diarrhea or plague
Biologists solve plant growth hormone enigma
Gardeners and farmers have used the plant hormone auxin for decades, but how plants produce and distribute auxin has been a long-standing mystery
Methanogens study
: Among the unusual life forms found in peat bogs are carnivorous pitcher plants and methanogens, methane-producing single-celled organisms that live in oxygen-free environments
Hurricane's latent hazards tracked by poison centers
With the start of this year's hurricane season (June 1), Florida's residents are preparing for the all-too-familiar havoc the storms can wreak
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| Quotes | By convention!
cussed Tom airily.
Cmon Scully... Itll be a nice trip through the woods-Fox Mulder
But what ... is it good for?
Engineer at IBM, 1968, commenting on the microchip.
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