Recent experiments to create a fast-reacting explosive by concocting it at the nanoscopic level could result in more spectacular firework displays. But more impressive to the researchers, the method used to mix chemicals at that tiny scale could lead to new strong porous materials for high temperature applications, from thermal insulation in jet engines to [...]
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A new therapy for metastatic prostate cancer has shown considerable promise in early clinical trials involving patients whose disease has become resistant to current drugs. Chemists and biologists have created a new drug to treat a particularly lethal form of prostate cancer: castration resistant prostate cancer.
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If cancer cells lack a certain protein, it could be much easier for them to penetrate healthy body tissue, the first step towards forming metastases. Scientists have discovered the previously unknown cell signal factor SCAI (suppressor of cancer cell invasion).
Soy aglycons of isoflavone (SAI), a group of soybean constituent chemicals, have been shown to promote health in a rat model of the menopause. The research shows how dietary supplementation with SAI lowers cholesterol, increases the antioxidative properties of the liver and prevents degeneration of the vaginal lining.
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Heterochromatin is the super-condensed portion of the cell’s genetic material that hides unneeded genes and potentially dangerous DNA sequences such as transposons from the cell’s DNA-activating machinery. Scientists have now identified a critical requirement for heterochromatin assembly. They show that it depends on the strength with which a protein called Chp1 binds to a specific [...]
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All African Pygmies, inhabiting a large territory extending west-to-east along Central Africa, descend from a unique population who lived around 20,000 years ago, according to a new study. The research concludes that the ancestors of present-day African Pygmies and farmers separated ~60,000 years ago.
Astronomer have found a sample of massive galaxies with properties that suggest that they may have formed relatively recently. This would run counter to the widely-held belief that massive, luminous galaxies (like our own Milky Way Galaxy) began their formation and evolution shortly after the Big Bang, some 13 billion years ago.
The first antiretroviral treatments appeared in 1996. Since then, new and better drugs have been discovered that have almost turned AIDS into a chronic disease. Nevertheless, there is still room to improve the performance of the the therapeutic strategies used in clinical practice. A new study suggests that early administration of antiretroviral treatment reduces the [...]
Scientists are testing an innovative technological system in the Detroit area this month that ultimately will help protect drivers from being surprised by black ice, fog, and other hazardous weather conditions.
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Measuring kidney function by assessing two different factors — glomerular filtration rate and urinary albumin levels — helps determine which patients with chronic kidney disease will develop end-stage renal disease, according to a new study. This combination test could help physicians identify patients at high risk of serious kidney trouble and allow them to intervene [...]
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