Steampunk Spy-Fi: Real-life gadgets perfect for a Victorian Era James Bond Ring Gun: This century French ring concealed a tiny gun capable of firing six bullets. Its name, quite appropriately, was "Le Petite Protector.
Dunkleosteus terrelli was could bite a shark in two. The prehistoric fish was 33 feet long and weighed up to four tons. The creature lived 400 million years ago. Art by Karen Carr in the Field Museum's Evolving Planet exhibit.