December 5, 2013 7:34 pm Student Guinea Pigs? A Meningitis vaccine that has not been approved in the U.S. willl distributed at Princeton University. US & World Videos 4:04 Get sun safety tips ahead of Melanoma Monday 1:49 New guidelines say women should be screened every other year for breast cancer starting at 40 3:54 Project HOME celebrates 35 years helping people in Philly 2:31 Keith Jones, Erin Coleman swing for the fences at Phillies' ballpark. How did they do? 3:04 PurpleStride event in Philly raises money for those battling pancreatic cancer