The More You Know

• The wolf's jaw can exert 1500 pounds of pressure per square inch, twice the jaw pressure of a German Shepherd. Wolves can crush large bones in just a few bites.
• Grasshopper Mice have evolved to turn scorpion venom into a pain-killer. They now prey on scorpions.
• Donkeys and dolphins are sometimes used as guard animals.
• The stars and flashes of light you see when you rub your eyes are called "phosphenes."