The IRS processes more than 2 billion pieces of paper each year.
28
A small airplane can fly backwards.
75
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
UFO sightings have reduced by over 80% since the introduction of smartphones and public access to HD video.
2
Whale oil was used in automobile transmissions as late as 1973.
56