Sea turtles are less slow and steady than we have historically assumed. On the Ningaloo Coast of Australia, a photographer captured a heroic fight between a sea turtle and a tiger shark.
Shark researcher Riley Elliott explains the fact and fiction of Tiger sharks getting fat. Learn about how long in takes sharks to digest their food compared to humans and see these beautiful animals devour a dead cow.
Not all heroes wear capes ... but some do have fins! Learn how 400 million years of evolution have helped sharks survive. This tough lemon shark was able to heal itself despite swallowing a fish stringer commonly used in spear fishing. Here's how.