PCC STEM's Posts

Many marine species will be harmed or won't survive if the levels of carbon dioxide continue to increase. Current protection policies and management practices are unlikely to be enough to save them. Unconventional, non-passive methods to conserve marine ecosystems need to be considered if various marine species are to survive.
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Traditional remedies have always been controversial — lauded by their users and scrutinized by science. The CLS synchrotron lately has been the tool of choice to study these preparations for Dr. Kenneth Reimer, a professor at the Royal Military College of Canada and co-chair of the Bioaccessibility Research Canada. Reimer and his team have recently taken to examining traditional Indian Ayurvedic medicine to understand the bioaccessibility of the ingredients used in them. The remedies often consist of gemstones, plant and animal materials, and elementsof concern such as arsenic and lead.
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An inexpensive antifungal drug, thiabendazole, slows tumor growth and shows promise as a chemotherapy for cancer. Scientists made this discovery by exploiting the evolutionary relatedness of yeast, frogs, mice and humans.
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(Phys.org) -- University of Oregon chemists have identified a catalyst that could dramatically reduce the amount of waste made in the production of methyl methacrylate, a monomer used in the large-scale manufacturing of lightweight, shatter-resistant alternatives to glass such as Plexiglas.
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What can we learn from sending codependent bacteria and plants into space? Quite a bit, it would appear. An experiment with the tongue-twisting name Symbiotic Nodulation in a Reduced Gravity Environment, or SyNRGE for short, could yield benefits on Earth as well as space.
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The ability of botanists and other scientists to generate data quickly and cheaply is surpassing their ability to access and analyze it. Scientists facing too much information rely on computers to search large data sets for patterns that are beyond the capability of humans to recognize. New tools called ontologies provide the rules computers need to transform information into knowledge, by attaching meaning to data, thereby making those data more retrievable and understandable.
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Scientists have discovered that a protein in semen acts on the female brain to prompt ovulation, and is the same molecule that regulates the growth, maintenance, and survival of nerve cells.
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Researchers have identified a common compound in the modern diet that could play a major role in the development of abdominal obesity, insulin resistance, and type 2 diabetes. The research team recommends that clinical guidelines be revised to eliminate foods cooked using dry heat and replace them with methods that use lower heat or lots of moisture (water) as in stewing, poaching or steaming. Examples from the AGE-less diet include stewed beef, chicken and fish instead of grilled meats.
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Anthrax targets

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A trawl of the genome of the deadly bacterium Bacillus anthracis has revealed a clutch of targets for new drugs to combat an epidemic of anthrax or a biological weapons attack. The targets are all proteins that are found in the bacteria but not in humans and are involved in diverse bacterial processes such as metabolism, cell wall synthesis and bacterial persistence. The discovery of a range of targets might bode well for creating a drug cocktail that could preclude the emergence of drug resistance.
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The Caribbean islands have been pushed east over the last 50 million years, driven by the movement of the Earth's viscous mantle against the more rooted South American continent, reveals new research.
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In evaluating the bioactive compounds of Illinois blueberry and blackberry wines, scientists have found compounds that inhibit enzymes responsible for carbohydrate absorption and assimilation. And that could mean a tasty way to help people with diabetes decrease their blood sugar.
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Drug development: Clever crystals

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Water plays a key role in the co-crystallization of active pharmaceutical ingredients, researchers have found.
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