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.
The space shuttle Endeavor received perhaps the longest red carpet treatment in history as it rolled through the streets of Hollywood en route to its final resting place at the California Science Center in Los Angeles. The 12 mile journey, taking place over the course of the weekend, has drawn thousands of spectators and navigated around a myriad of urban obstacles. More on the story, including a gallery showcasing Endeavor's trip, at CNN.