It is a common belief that if sharks stop swimming, they will die. But is this really true? Let's take a look. If you look at nurse sharks and tiger sharks, this belief has been proven wrong: these sharks and some other shark species can stop swimming...
Sharks can be said to be the top overlords among marine life today. Whether it is speed, bite force, bite ability or attack strategy, they are all top-notch players. But if you push the time back to the Devonian period 405 million to 365 million years ago, sharks are not outstanding. They are...