Preview
Preview | 30s | Video has closed captioning.
Veterinarian Mark Evans uses technology to tackle three deadly predators: the great white shark, Nile crocodile and polar bear. When these animals attack humans, both sides lose. As more people are killed or maimed, more animals are killed in retaliation. Evans wants to find ways to break this circle of violence and protect both humans and animals.
Aired: 08/26/14
