In the first half, doctors Hooman Noorchashm and Amy Reed described what happened to Amy after a surgical tool used on her during a routine procedure spread an undetected cancer, and how they discovered the same tragic outcome happens to 1 in 350 women who undergo the procedure.
In the latter half, teacher, archaeologist, and paranormal investigator Jeff Scott Cole talked about the practice of paranormal investigation, as well as his interest and study of archaeological and prehistoric discoveries in North America.
NASA has received more than 400 submissions in response to the agency's Asteroid Initiative, a two-part proposal that aims to locate space rocks on a collision course with Earth as well as capture and place an asteroid into lunar orbit for future study. One concept involves a robotic solar-electric-powered spacecraft (pictured) that would intercept and deploy a large capture bag around the asteroid. More at Space.com.