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General Science / Chemistry news 1234

'Green' potato health risk can be eliminated by cutting away affected area

July 25, 2008 | User rating: 3.7 / 5 after 11 vote(s) | User comments: 5

Potatoes that have turned 'green' can potentially contain a naturally occurring toxin called Glycoalkaloids (GA) and pose a risk to public health according to a review paper published in the latest online issue of SCI's Journal ...


Human urine as a safe, inexpensive fertilizer for food crops

October 08, 2007 | User rating: 4 / 5 after 22 vote(s) | User comments: 4

Researchers in Finland are reporting successful use of an unlikely fertilizer for farm fields that is inexpensive, abundantly available, and undeniably organic -- human urine. Their report on use of urine ...


Researchers discover fast-acting cyanide antidote

December 27, 2007 | User rating: 4.3 / 5 after 26 vote(s) | User comments: 4

University of Minnesota Center for Drug Design and Minneapolis VA Medical Center researchers have discovered a new fast-acting antidote to cyanide poisoning. The antidote has potential to save lives of those who are exposed ...


Researchers solve decade-old mystery of hydrogen storage material

February 27, 2008 | User rating: 4.3 / 5 after 56 vote(s) | User comments: 4

Environmentally friendly hydrogen gas fueled vehicles can dramatically reduce greenhouse gas emissions and lessen the country’s dependence on sources of fossil fuel. Though several hydrogen vehicles exist on the market today, ...


Hair Reveals Where Murder Victims Drank Water

February 25, 2008 | User rating: 4.5 / 5 after 31 vote(s) | User comments: 4

University of Utah scientists developed a new crime-fighting tool by showing that human hair reveals the general location where a person drank water, helping police track past movements of criminal suspects ...


Absinthe uncorked: The 'Green Fairy' was boozy -- but not psychedelic

April 29, 2008 | User rating: 4.2 / 5 after 29 vote(s) | User comments: 4

A new study may end the century-old controversy over what ingredient in absinthe caused the exotic green aperitif’s supposed mind-altering effects and toxic side-effects when consumed to excess. In the most ...


A simple, low-cost carbon filter removes 90% of carbon dioxide from smokestack gases

May 19, 2008 | User rating: 4.5 / 5 after 14 vote(s) | User comments: 4

Researchers in Wyoming report development of a low-cost carbon filter that can remove 90 percent of carbon dioxide gas from the smokestacks of electric power plants that burn coal and other fossil fuels. Their study is scheduled ...


First DNA molecule made almost entirely of artificial parts

July 07, 2008 | User rating: 4.4 / 5 after 43 vote(s) | User comments: 4

Chemists in Japan report development of the world's first DNA molecule made almost entirely of artificial parts. The finding could lead to improvements in gene therapy, futuristic nano-sized computers, and ...


Engineers build mini drug-producing biofactories in yeast

August 15, 2008 | User rating: 4.6 / 5 after 22 vote(s) | User comments: 4

Researchers at the California Institute of Technology have developed a novel way to churn out large quantities of drugs, including antiplaque toothpaste additives, antibiotics, nicotine, and even morphine, using mini biofactories--in ...


Gel undergoes Peristalsis

August 18, 2008 | User rating: 4.5 / 5 after 15 vote(s) | User comments: 4

(PhysOrg.com) -- Large or small, machine parts only move when controlled by an external impulse. Biological systems, on the other hand, are capable of autonomous movements that continuously follow their own rhythms and spatial ...


New methane storage technology exceeds DOE goals

January 21, 2008 | User rating: 4.4 / 5 after 47 vote(s) | User comments: 3

In a major advance in alternative fuel technology, researchers report development of a sponge-like material with the highest methane storage capacity ever measured. It can hold almost one-third more methane ...


Marijuana smoke contains higher levels of certain toxins than tobacco smoke

December 17, 2007 | User rating: 2.9 / 5 after 20 vote(s) | User comments: 3

Here’s another reason to “keep off the grass.” Researchers in Canada report that marijuana smoke contains significantly higher levels of several toxic compounds — including ammonia and hydrogen cyanide — than ...


Researchers Developing More Efficient Ethanol Production Method

February 26, 2008 | User rating: 4.2 / 5 after 10 vote(s) | User comments: 3

A University of Wyoming professor has received a $485,000 grant to explore a more economical way to produce ethanol.


New Material Can Find a Needle in a Nuclear Waste Haystack

March 03, 2008 | User rating: 4.7 / 5 after 14 vote(s) | User comments: 3

Nuclear power has advantages, but, if this method of making power is to be viable long term, discovering new solutions to radioactive waste disposal and other problems are critical. Otherwise nuclear power ...


Tuberculosis bacterium is double-protected

March 04, 2008 | User rating: 4.4 / 5 after 15 vote(s) | User comments: 3

The first 3-D images that disclosure a double membrane surrounding mycobacteria were recorded by Martinsried scientists, ending a long scientific debate about the mycobacterial outer membrane and opening new ...


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