Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/pbs-newshour-full-episode-april-7-2015 Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Tuesday on the News Hour... Tuesday on the NewsHour, a Palestinian refugee camp in Syria is caught in the crossfire since being captured by the Islamic State. Also: An update on the fight for Yemen, how a school moves on after a shooting, development threatens the Colorado River, inventing new technology to help process food, the price of social media, building a better Ebola suit and pushing for helmets in Cambodia. Listen to the Broadcast Subscribe to the Full Show Podcast Segments From This Episode Watch the 1000-year-old dance tradition that was almost killed by the Khmer Rouge 4 min UN demands access to Yarmouk refugee camp seized by Islamic State 2 min What drove a small sect to take control of Yemen? 7 min How a plan for the ultimate tourist experience could threaten the Grand Canyon 5 min How an elementary school moves on after a shooting 6 min News Wrap: U.S. officials charged for 2009 Pakistan drone attack 4 min Fashioning a better Ebola suit with sewing machines and chocolate syrup 6 min Snapping selfies helped motivate this Pacific Crest Trail hiker 2 min How simple tools can shave hours off food preparation in the developing world 6 min Cambodia promotes motorcycle helmets to halt rise of traffic deaths 4 min