Baby bears are born in the winter and stay inside their dens until spring. Every time a cub finishes nursing, the mom licks its bottom to make it urinate. The mother bear then drinks the urine, which helps keep the den clean.

Months that begin on a Sunday will always have a "Friday the 13th."

In the marriage ceremony of the Ancient Inca Indians of Peru, the couple was considered officially wed when they took off their sandals and handed them to each other.

AMAZING FACTS