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| Biology articles |
Study finds that arsenic inhibits DNA repair
Dartmouth researchers, working with scientists at the University of Arizona and at the Department of Natural Resources in Sonora, Mexico, have published a study on the impact of arsenic exposure on DNA damage
Scientists identify protein 'finger' that triggers tumor suppression in cells
In recent years, scientists have discovered five closely related proteins—known as Inhibitor of Growth (ING) tumor suppressors—that play a significant role in certain cancers and cellular aging
Virus yields clues into immune system
Since many viruses have spent hundreds of thousands of years fine-tuning their abilities to hijack the cellular processes of other organisms, we can learn a great deal about how our own cells operate by studying these pathogens at work
Scientists identify protein 'finger' that triggers tumor suppression in cells
In recent years, scientists have discovered five closely related proteins—known as Inhibitor of Growth (ING) tumor suppressors—that play a significant role in certain cancers and cellular aging
Virus yields clues into immune system
Since many viruses have spent hundreds of thousands of years fine-tuning their abilities to hijack the cellular processes of other organisms, we can learn a great deal about how our own cells operate by studying these pathogens at work
Live wires
When Yuri Gorby discovered that a microbe which transforms toxic metals can sprout tiny electrically conductive wires from its cell membrane, he reasoned this anatomical oddity and its metal-changing physiology must be related
Scientists identify protein 'finger' that triggers tumor suppression in cells
In recent years, scientists have discovered five closely related proteins—known as Inhibitor of Growth (ING) tumor suppressors—that play a significant role in certain cancers and cellular aging
Virus yields clues into immune system
Since many viruses have spent hundreds of thousands of years fine-tuning their abilities to hijack the cellular processes of other organisms, we can learn a great deal about how our own cells operate by studying these pathogens at work
Live wires
When Yuri Gorby discovered that a microbe which transforms toxic metals can sprout tiny electrically conductive wires from its cell membrane, he reasoned this anatomical oddity and its metal-changing physiology must be related
Ready, set, mutate...and may the best microbe win
Even with modern genomic tools, it's a daunting task to find a smoking gun for Darwinian evolution. The problem lies in being able to say not just when and how a specific gene mutated but also how that one genetic change translated into real-world dominance of one population over another
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Using satellite observations to investigate photosynthetic activities across northern circumpolar high latitudes
Using time series analyses of a 22-year record of satellite observations across the northern circumpolar high latitudes, scientists at the Woods Hole Research Center are assessing trends in vegetation photosynthetic activity
Ultrasonics boosts release rates of corn sugars for ethanol production
David Grewell flipped a switch and one of the ultrasonic machines in his Iowa State University laboratory pumped out high-frequency sound waves. Those 20 kilohertz waves were too high for human hearing. But put the machine's circular, metal horn in a bucket of water and the sound waves get the liquid bubbling with a loud hiss. Then put a sheet of aluminum foil in the bucket and watch the power of cavitation -- the formation and collapse of bubbles -- as it marks the metal with tiny dimples and starts to tear it apart
Swimming robot rests theories about locomotion in existing and extinct animals
An underwater robot is helping scientists understand why four-flippered animals such as penguins, sea turtles and seals use only two of their limbs for propulsion, whereas their long-extinct ancestors seemed to have used all four
The Midas bug-the bacterial alchemy of gold
Bacteria play an important role in the formation of gold nuggets in Australia according to new research published this month in the international journal, Science today
World-first stem cell research could aid male infertility
Scientists have shown for the first time that sperm grown from embryonic stem cells can be used to produce offspring
Zebrafish's regenerative abilities make it unique tool to study disease
Those unassuming minnowsized striped tropical fish swimming around in many household aquariums may hold the key to repairing cardiac muscle in humans hit by a heart attack
Scientists uncover new clues to limb formation (AND LOSS) IN SOME SEA MAMMALS
Researchers from the Northeastern Ohio Universities College of Medicine have revealed the genetic basis behind one of the best-documented examples of evolutionary change in the fossil record: how whales lost their hind limbs
The Midas bug-the bacterial alchemy of gold
Bacteria play an important role in the formation of gold nuggets in Australia according to new research published this month in the international journal, Science today
World-first stem cell research could aid male infertility
Scientists have shown for the first time that sperm grown from embryonic stem cells can be used to produce offspring
Zebrafish's regenerative abilities make it unique tool to study disease
Those unassuming minnowsized striped tropical fish swimming around in many household aquariums may hold the key to repairing cardiac muscle in humans hit by a heart attack
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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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