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Sending weak electrical current into the brain for 20 minutes a day for four days in a row reversed declines in working and long-term memory that come with aging, scientists reported Monday in Nature Neuroscience. The researchers found that the effects lingered even after the electricity was turned off. When they tested subjects a month later, many of the improvements from the brief sessions of brain stimulation remained. The findings provide some of the strongest support yet for a method called transcranial alternating current stimulation, or tACS, as a potential means for boosting mental functions essential to navigating the world...

A New Hampshire high school student shocked so severely in shop class that his heart stopped beating is suing his teacher, the school district and the city of Dover. Kyle Dubois and his parents claim teacher Thomas Kelley did not warn Dubois and other students of the dangers of the electrical demonstration cords in their electrical trades class. On March 11, Dubois attached an electrical clamp to one nipple while another student attached another clamp to the other. A third student plugged in the cord. Dubois was critically injured.

DELTONA, Fla. -- Three high school wrestlers face expulsion based on accusations they hog-tied a learning-disabled teammate and zapped him with a grill igniter. Officials call it a hazing prank that went too far. None of the boys were arrested but Volusia County's sheriff's office filed felony complaints with prosecutors, seeking felony charges of aggravated battery and false imprisonment. School officials said two hazing incidents occurred in a wrestling practice room at the high school Tuesday. Volusia County Sheriff's Department offers the following account of the incident: "According to witnesses, the victim -- a 17-year-old wrestler -- was tackled to...