The Source episode 9 highlights the impact of mass surveillance, the Mütter Museum’s work to incorporate feedback, efforts to combat rising child asthma rates in Philadelphia, singer Mallory Hawk’s quest to overcome trauma and how the Woodlands Cemetery has developed into a green and recreational space.

WHYY News staffers Cris Barrish, Alan Yu, Nicole Leonard, Cory Sharber and Emma Lee contributed to this episode, which is hosted by Kenny Cooper.