The slogan on New Hampshire license plates is "Live Free or Die." These license plates are manufactured by prisoners in the state prison in Concord. Hydrogen gas is the least dense substance in the world, at 0.08988g/cc.
Hydrogen solid is the most dense substance in the world, at 70.6g/cc.
When you tie a noose, the rope is wrapped twelve times around because it's the same length as a persons head.
Hummingbirds are the only animals that can fly backwards. If you yelled for 8 years, 7 months and 6 days you would have produced enough sound energy to heat one cup of coffee.
"Dreamt" is the only English word that ends in the letters "mt." All 50 states are listed across the top of the Lincoln Memorial on the back of the $5 bill. Winston Churchill was born in a ladies' room during a dance. Stewardesses" is the longest word that is typed with only the left hand. Your stomach has to produce a new layer of mucus every two weeks or it will digest itself.