These leathery turtles spend most of their lives buried motionless in river mud, but burst into action to catch their ...

A look through hundreds of previous studies – on everything from modern human anatomy and physiology to measures of the ...

This predator feeds on deep-sea invertebrates and marine fish ... They wait for prey to pass, with their eyes and mouth facing upward. This fish has its own built in stun gun — an electric organ in a ...