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(PhysOrg.com) -- Physicists at the University of California, Santa Cruz, are working with medical researchers at Loma Linda University Medical Center to develop a new imaging technology to guide proton therapy for cancer treatment.

A new set of $100,000 grants from the Bill & Melinda Gates Foundation is funding a range of mobile phone applications in an effort to improve global health. The latest projects funded by the Bill & Melinda Gates Foundation could turn smartphones into superphones that are part doctor, part secretary, part Orkin man. The Gates' Grand Challenges Exploration has previously given $100,000 grants to early-stage research focused on urgent health problems and come up with some amazing ideas for treatment .

No. But Chinese scientists think new nanotech filters could do a better job at blocking out badness. Conventional cigarette filters are made of cellulose--low-tech, old, but effective.

Obesity and dementia have a well-established connection in the medical literature. But a new study shows that just being overweight--with a BMI of 25 or above--in middle age might also significantly increase the odds that a person develops dementia later in life. [More]

Photographs by Robyn Twomey In Dr. Taft Bhuket’s two-and-a-half years at Highland, waiting times have been slashed. How Wright L.

What's that new music to scientists' ears? Tech that makes tiny bots less sticky.

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Ethonomic Indicator of the Day: 7 -- The number of IQ points that children exposed to pesticides in utero fell behind other children. From the department of "science proves the obvious": exposure to neurotoxic pesticides in the womb results in children with lower IQs, according to a study from the University of California at Berkeley

Couple who lost newborn to human error in hospital raises awareness; Also: How to be vigilant about your medical care

California mother Emily Fennel spoke to the press about the hand transplant she received on March 4 at Ronald Reagon UCLA Medical Center.

Workers get hurt all the time, both on the job and off. In 2009, the Bureau of Labor Statistics reported 1,238,490 injury or illness cases in the United States requiring days away from work to recuperate.

It might be all-natural, but that joint you're smoking has a serious carbon footprint. Ethonomic Indicator of the Day: Marijuana growth uses 1% of all U.S. energy

Everyone in New Orleans has a Katrina story, and those tales are typically tinged with loss, frustration, and grief. Five years after the storm, you still hear them, of course, and you still see evidence of the devastation that killed over 1,800 people and left more than one million homeless.

Northwestern University Taught by: Faculty Most entrepreneurs possess deep knowledge of their industries.

Fingernail-sized, gemstone-shaped, it's the first device of its kind.