Turning computer models into reality
Prof. Heinrich Jaeger's lab uses 3D printing to test complex qualities of shapes made via computer
By Steve Koppes
Share of homes with guns shows 4-decade decline
Tom W. Smith, director of NORC's General Social Survey, says U.S. trend reflects decline of hunting and sharp drop in violent crime

Student’s vision brings sight to world’s poor
Janice Guzon’s nonprofit collects used eyeglasses to change lives worldwide.
Jessen O'Brien