Kepler-452b revolves around a sun much like our own.
April 22, 2010|
The question of how T cells escape the thymus and enter the circulation to fight infections has finally been answered. "These findings will be taught in textbooks down the road," Kristin Hogquist from the University of Minnesota, who was not involved in the research, wrote in an email. "This is a fascinating study," she added. A T cell exiting the thymusImage: Courtesy of Jessica HuppiScientists have long wondered how T cells exit the thymus, where they mature. The thymus is threaded with both