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.
There is a fish with transparent bones and white blood.
Tears contain a natural painkiller, which reduces pain and improves your mood.
A U.S. park ranger named Roy C. Sullivan held the record for being struck by lightning the most times, having been struck — and surviving — seven times between 1942 and 1977.