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The Depression Serotonin Link Is A Myth

The widely held belief that depression is due to low levels of serotonin in the brain and that...

Perceptions Of Environmental Damage Lessen Over Time, Even When Things Stay The Same

Invasive pests known as spruce bark beetles have been attacking Alaskan forests for decades, killing...

95,000 Person Study Shows MMR Vaccine Does Not Lead To Higher Autism Risk

A study of approximately 95,000 children with older siblings found that the measles-mumps-rubella...

Heavy Snoring And Sleep Apnea Signal Earlier Memory Decline

Heavy snoring and sleep apnea may be linked to memory and thinking decline at an earlier age, according...

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The benefits to animals of omega 3 fatty acids in fish oils have been well documented – helping the heart and circulatory system.   Can they also help in improving meat quality and reducing methane emissions?

Perhaps.   Methane given off by farm animals is a major contributor to greenhouse gas levels and researchers from University College Dublin have reported that by including 2% fish oil in the diet of cattle they achieved a reduction in the amount of methane released by the animals.

While physical exercise has been shown to trigger migraine headaches among sufferers, a new study describes an exercise program that is well tolerated by patients. The findings show that the program decreased the frequency of headaches and improved quality of life. The study is published in Headache: The Journal of Head and Face Pain.

The study used a sample of migraine sufferers who were examined before, during and after an aerobic exercise intervention. The program was based on indoor cycling (for continuous aerobic exercise) and was designed to improve maximal oxygen uptake without worsening the patients' migraines.


Chemists reported development of what they termed the first economical, eco-friendly process to convert algae oil into biodiesel fuel — a discovery they predict could one day lead to U.S. independence from petroleum as a fuel.

One of the problems with current methods for producing biodiesel from algae oil is the processing cost, and the New York researchers say their innovative process is at least 40 percent cheaper than that of others now being used. Supply will not be a problem: There is a limitless amount of algae growing in oceans, lakes, and rivers, throughout the world.

Another benefit from the "continuously flowing fixed-bed" method to create algae biodiesel, they add, is that there is no wastewater produced to cause pollution. 
Re-engineering a protein that helps prevent tumours spreading and growing has created a potentially powerful therapy for people with many different types of cancer. In a study published in the first issue of EMBO Molecular Medicine, Canadian researchers modified the tumour inhibiting protein, von Hippel-Lindau (VHL), and demonstrated that it could suppress tumour growth in mice.
New data from Ugandan scientists and investigators at Johns Hopkins University find that adult male circumcision decreased rates of the two most common sexually transmitted infections – herpes and the human papillomavirus (HPV), the virus that causes cervical cancer and genital warts – according to a report issued in the New England Journal of Medicine March 26, 2009.

In an accompanying editorial, "Prevention of Viral Sexually Transmitted Infections – Foreskin at the Forefront," two local University of Washington researchers say these new findings provide compelling new evidence on circumcision's effect on decreasing currently incurable viral sexually transmitted infections.

Reports by scientists of meteorites striking Earth in the past have resembled police reports of so many muggings — the offenders came out of nowhere and then disappeared into the crowd, making it difficult to get more than very basic facts.

Now an international research team has been able to identify an asteroid in space before it entered Earth's atmosphere, enabling computers to determine its area of origin in the solar system as well as predict the arrival time and location on Earth of its shattered surviving parts.