Gary Blasi, professor of law at UCLA, will give a talk called "Ending Chronic Homelessness in Southern California" at 7:30 p.m. on Tuesday, November 24, in Beckman Institute auditorium. This event is part of Hunger and Homelessness Awareness Week, presented by Caltech Y and Social Activism Speaker Series. For a full list of the week's events, go to sass.caltech.edu. More...

Time magazine's picks for the 50 best new gadgets and breakthrough ideas of the year include JPL scientists' research on levitating mice. Yuanming Liu and his colleagues have worked out a way to use magnets to make mice float in midair. The effects could provide insight into how to prevent adverse health effects, such as bone loss, in astronauts who spend long periods of time in low gravity. According to the article, "A few very disoriented mice could hold the keys to safer space travel." To view the complete list, go to Time online.