Dr. Andrew West enters a controlled shark environment to see how they will react to his presence.
UP NEXTBeast Tracker: Swimming with Tiger Sharks
UP NEXTDeadly Viruses and Bats with Jessica Parilla
Beast Tracker: Swimming with Tiger Sharks
HowStuffWorks Interviews: Deadly Viruses and Bats with Jessica Parilla
Bats can spread deadly human diseases. Join Lauren as she interviews a virologist about the powerful immune systems of these fascinating creatures of the night.