June 12, 2013 6:24 pm Chevron Stem Zone at the U.S. Open Students take a trip to the Chevron Stem Zone to participate in various golf-themed interactive experiences that Chevron hopes will teach kids the science priciples in the game of golf. US & World Videos 2:10 ‘You're speechless and can't believe what you saw.' Mom sees video of attack on her autistic son on SEPTA train 0:39 1 dead, 3 injured in Eastwick after two separate shootings, police say 0:22 Rescue crews call off search for missing kayaker in Schuylkill River 2:06 NJ first responders deploy tracking equipment that can pinpoint threats from recreational remote pilots 0:45 Philly police are making efforts to get ATVs and dirt bikes off the roads before the summer