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.

An average adult produces about half a litre of flatulent gas per day, resulting in an average of about fourteen occurrences of flatulence a day.

In 2004, Virgin Atlantic Airlines introduced a double bed for first class passengers who fly together.

AMAZING FACTS