A North Carolina State University study examining the effects of urbanization on the evolution of fish body shape produced both expected and surprising results: One fish species became more sleek in response to urbanization. In contrast, another species became deeper bodied in urban areas. Generally, urbanization produces conditions that make water in streams flow more ...
Researchers from RMIT University have developed a new artificial enzyme that uses light to kill bacteria. The artificial enzymes could one day be used in the fight against infections, and to keep high-risk public spaces like hospitals free of bacteria like E. coli and golden staph. E. coli can cause dysentery and gastroenteritis, while golden staph is the major cause of hospital-acquired ...
For centuries, the prevailing science has indicated that all of the nitrogen on Earth available to plants comes from the atmosphere. But a study from the University of California, Davis, indicates that more than a quarter comes from Earth’s bedrock. The study, to be published April 6 in the journal Science, found that up to 26 ...
New research by scientists shows that when cellular barriers are exposed to metal nanoparticles, cellular messengers are released that may cause damage to the DNA of developing brain cells. The discovery may have implications for the development of potential drug targets in the treatment of neurodegenerative conditions, including Alzheimer’s disease and Parkinson’s disease. Nanoparticles are ...
A distinct lack of the chemical element phosphorus in other parts of the Universe could make it very difficult for extra-terrestrial life to exist there. This is according to experts at Cardiff University, who have found very little evidence of the element — which is essential to life on Earth — around the Crab Nebula, ...
Food packaging may be be having an impact on your body’s nutrient absorption. “We found that zinc oxide (ZnO) nanoparticles at doses that are relevant to what you might normally eat in a meal or a day can change the way that your intestine absorbs nutrients or your intestinal cell gene and protein expression,” said ...
The flavor of e-cigarettes may affect more than a consumer’s taste buds, according to Penn State researchers, who say the chemicals that make up different flavors also produce different levels of free radicals, toxins often associated with cancer and other diseases. The researchers analyzed popular e-cigarette flavors and the number of free radicals they produced, ...
A tiny particle known as a neutrino is an excellent tool to study the inner workings of atomic nuclei. Unlike electrons or protons, neutrinos have no electric charge, and they interact with an atom’s core only via the weak nuclear force. This makes them a unique tool for probing the building blocks of matter. But ...
Scientists have found that drugs are now so prevalent that 13 per cent of those taking part in a test were found to have traces of class A drugs on their fingerprints — despite never using them. But there is no easy escape for users as researchers from the University of Surrey, who have previously ...
Manipulating the temperature and the length of time for cocoa bean roasting can simultaneously preserve and even boost the potency of some bioactive and antioxidant compounds while protecting desired sensory aspects of chocolate, according to Penn State researchers. That finding flies in the face of previous studies that indicate that roasting always results in a ...
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