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DNA Damage: The Dark Side of Respiration
May 22, 2013 Adventitious changes in cellular DNA can endanger the whole organism, as they may lead to life-threatening illnesses like cancer. Researchers now report how byproducts of respiration cause mispairing ... > full story -
Mechanism Discovered Which Aids Legionella to Camouflage Itself in the Organism
May 22, 2013 The feared Legionella pneumophilabacteria is responsible for legionellosis, an infectious disease that can lead to pneumonia. In order to infect us, this pathogen has developed a complex method ... > full story -
Minus Environment, Patterns Still Emerge: Computational Study Tracks E. Coli Cells' Regulatory Mechanisms
May 21, 2013 Random mutations and genetic drift, rather than design principles, may explain the emergence of regulatory network properties in E. ... > full story -
Bird's Playlist Could Signal Mental Strengths and Weaknesses
May 21, 2013 Having the biggest playlist doesn't make a male songbird the brainiest of the bunch, a new study shows. In a series of problem-solving tests with the birds, researchers found that the male song ... > full story -
Bacterium Uses Natural 'Thermometer' to Trigger Diarrheal Disease, Scientists Find
May 21, 2013 How does the bacterium Shigella -- the cause of a deadly diarrheal disease -- detect that it's in a human host? Scientists have found that a biological "RNA thermometer" monitors whether the ... > full story -
Allosaurus Fed More Like a Falcon Than a Crocodile: Engineering, Anatomy Work Reveals Differences in Dinosaur Feeding Styles
May 21, 2013 The mighty T. rex may have thrashed its massive head from side to side to dismember prey, but a new study shows that its smaller cousin Allosaurus was a more dexterous hunter and tugged at prey more ... > full story -
Single-Cell Transfection Tool Enables Added Control for Biological Studies
May 21, 2013 Researchers have developed a novel tool for single-cell transfection, in which they deliver molecules into targeted cells through temporary nanopores in the cell membrane created by a localized ... > full story -
Scientists Uncover How Grapefruits Provide a Secret Weapon in Medical Drug Delivery
May 21, 2013 Researchers have uncovered how to create nanoparticles using natural lipids derived from grapefruit, and have discovered how to use them as drug delivery ... > full story -
Small but Speedy: Short Plants Live in the Evolutionary Fast Lane
May 21, 2013 Biologists have known for a long time that some creatures evolve more quickly than others. Exactly why isn't well understood, particularly for plants. But it may be that height plays a role. Shorter ... > full story -
Vitamin C Can Kill Drug-Resistant TB, Researchers Find
May 21, 2013 In a striking, unexpected discovery, researchers have determined that vitamin C kills drug-resistant tuberculosis (TB) bacteria in laboratory culture. The finding suggests that vitamin C added to ... > full story
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