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For more than a century, biologists have been working to assign plants, animals and microbes their respective places on the tree of life. More recently, by comparing DNA sequences from a few genes per species, scientists have been trying to construct a grand tree of life that accurately portrays the course of life on Earth, and shows how all organisms are related, one to another.

However, despite the detailed insights provided by individual genes, that approach has proved cumbersome in its

A homeopathic remedy made from arsenic oxide could ease the suffering of the hundreds of millions of people at risk from arsenic poisoning worldwide. Research, published this week in BMC Complementary and Alternative Medicine, suggests that Arsenicum Album reduces the liver damage caused by arsenic poisoning. Arsenic contamination of groundwater is a major health problem for people from India, Bangladesh and at least fifteen other countries. Drinking arsenic contaminated well water has cause

The digital world surrounding us is full of images. Many of them are very large and do not easily fit into small devices, such as smart mobile phones. Alexander Kolesnikov’s thesis brings a revolutionary change to this. He has invented the most efficient vector graphics compression technique in the world that will make all maps, drawings and cartoons fit into small but smart mobile phones.

Digital images on digital TV’s, DVDs and computer and mobile device displays come in two variants: ras

Although cases of adult-onset diabetes have skyrocketed in the United States, researchers still don’t know much about the biological processes that predispose so many people to the disease. But in research that will be published in the Oct. 16 issue of the journal Nature, scientists say they’ve found a protein that plays an essential role in regulating a cell’s ability to absorb glucose, an important step toward gaining a better understanding of the underlying causes of diabetes.

First comprehensive view of protein activity in higher organism

UCSF scientists have developed a set of powerful tools that allow researchers to look in unprecedented detail at the full complement of thousands of proteins acting and interacting in a living organism. They have used the new tools to mine nearly the entire proteome of an organism – discovering what proteins are active in each cell, where they are active and in what quantity.

The results, published in two papers

Discovery shows power of mouse genome to identify human genes for rare genetic diseases

In a small town on Grand Cayman Island in the Caribbean, people are living with a serious neurological disorder, called Cayman ataxia, found nowhere else in the world.

People born with this rare, inherited condition have poor muscle coordination, some degree of mental retardation, uncontrollable head and eye movements and difficulty speaking or walking.

Now, in a discovery that