The stress of war is so severe and prolonged, it can become toxic. Scientists and humanitarians work to provide hope in what can seem like a pretty hopeless world. Syrian families raise their children in the face of unimaginable violence and oppression, their past defined by terror, their future driven by hope. Neurological and behavioral teams from Harvard, Yale and Hashemite University; young researchers and humanitarian volunteers put science to work for the oppressed and vulnerable.