The South American degu, a small rodent, uses urine to mark its passageways. Its urine reflects ultraviolet light, which the degu can see.

In the past 60 years, the groundhog has only predicted the weather correctly 28% of the time. The rushing back and forth from burrows is believed to indicate sexual activity, not shadow seeking.

Vincent Van Gogh's "Portrait of Dr. Gachet is the most expensive painting sold at an auction. It was purchased for $85.2 million dollars.

AMAZING FACTS