February 16, 2010 12:06 am Clear Those Vents HVAC expert Brian Roberts of Hentkowski, Inc. in Wilmington, Del. explains a hidden danger caused by piled up snow. US & World Videos 2:03 Project HOME received a $1M donation from the Phillies Charities in honor of their 35th anniversary 2:02 New bathroom police sparking debate over student equality in the Pennridge School District 2:02 Jewish students at Penn are concerned about the pro-Palestinian encampment, plan to petition 1:48 Legendary Philly DJ Jimmy Bishop's family got back a piece of history with return of gold records 2:27 ‘It's about taking chances.' New SEPTA apprenticeship is helping train people in the welding trade