In the "AIDS exceptionalism" debate, emotions run high, and the options are difficult: Shift some AIDS funding to other care, or find billions in new support.
Terry Hazen finds, studies and then uses microbes to clean up pollution deep underground, to refine oil before it is pumped and to produce the next generation of green fuels. He catches alligators sometimes, too. ...
GIS mapping technology is helping underprivileged communities get better services — from education and transportation to health care and law enforcement — by showing exactly what discrimination looks like.