Each week, Popular Mechanics brings in experts to analyzes the science of Fringe, and separate the science fact from the science fiction.

For the latest episode of Fringe, "Bound," they bring in two experts: Scott Gardner of the University of Nebraska-Lincoln's Manter Laboratory of Parasitology, and Carol Post, Purdue University professor of medical chemistry and molecular pharmacology, to discuss:

• Should you be scared of a spiny slug growing in your stomach?
  
• Could an overgrown common cold virus "cell" turn into a vicious killer?
  

PopularMechanics.com: Cells Skirt Reality and Supersize on Fringe: Hollywood Fact vs Fiction