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Each day, many students cross the Fifth Street Bridge not thinking much of the downtown connector that exhales exhaust below; but a few are working to electrify the cars that pass beneath.

In a competition hosted by the City of Atlanta and Emory University’s Goizueta Business School, a team of Georgia Tech students earned first prize and a monetary award for proposing a system for electric vehicle adoption in Atlanta.

Researchers have shown they can reverse the aging process for human adult stem cells, which are responsible for helping old or damaged tissues regenerate. The findings could lead to medical treatments that may repair a host of ailments that occur because of tissue damage as people age. A research group led by the Buck Institute for Research on Aging and the Georgia Institute of Technology conducted the study in cell culture, which appears in the September 1, 2011 edition of the journal Cell Cycle

Findings by UT Southwestern Medical Center researchers may suggest new strategies for successful donor adult stem cell transplants in patients with blood cancers such as leukemia, lymphoma and myeloma.

In new research that could have implications for improving fertilization in humans and other mammals, life scientists studied interactions between individual sperm and eggs in red abalone, an ocean-dwelling snail, and made precise chemical measurements and physical models of these interactions. They are the first scientists to do so.

Got lots of fast food restaurants and other outlets that sell junk food in your neighborhood? Then your teen is more likely to nosh regularly on burgers and fries and wash them down with a soda.

That is the unpalatable finding of a new study from the UCLA Center for Health Policy Research that examined the effect of higher concentrations of less healthy food outlets on adolescent junk food consumption.

Preschool children consumed nearly twice as many vegetables and 11 percent fewer calories over the course of a day when researchers from Penn State added pureed vegetables to the children's favorite foods.