1. Personal Experience is Not Reliable Evidence
Benjamin Radford of Committee for the Scientific Investigation of Claims of the Paranormal succinctly squashes the claims of scientific veracity of ghost hunting groups.
3. The Blue Flash
A pile of scrap metal and a used seat from a Dodge Grand Caravan becomes a one-man backyard roller coaster.
4. High Altitude
On October 24, 1946, a group of soldiers and scientists in the New Mexico desert saw something new and wonderful—the first pictures of Earth as seen from space.
Things start to get really hairy around stage 18 when the near-invisible attackers start to show up.