Bats always turn left when exiting a cave.
Honey is easy to digest is that it's already been digested by a bee.
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
Human hair and fingernails continue to grow after death.
The plastic things on the end of shoelaces are called aglets.
Every day 200 million couples make love, 400,000 babies are born, and 140,000 people die.
Colgate faced big obstacle marketing toothpaste in Spanish speaking countries. Colgate translates into the command "go hang yourself."
Whip makes a cracking sound because its tip moves faster than the speed of sound.
Mosquito repellents don't repel. They hide you. The spray blocks the mosquito's sensors so they don't know you're there.
No piece of paper can be folded in half more than 7 times.
A Boeing 747s wingspan is longer than the Wright brother's first flight.
Average life span of a major league baseball is 7 pitches.
The term "the whole 9 yards" came from WWII fighter pilots in the South Pacific. When arming their airplanes on the ground, the .50 caliber machine gun ammo belts measured exactly 27 feet, before being loaded into the fuselage. If the pilots fired all their ammo at a target, it got "the whole 9 yards."
The three best-known western names in China: Jesus Christ, Richard Nixon, and Elvis Presley.
The only two days of the year in which there are no professional sports games (MLB, NBA, NHL, MLS, or NFL) are the day before and the day after the Major League Baseball All-Star Game.
The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the weight of all the books that would occupy the building.
The Boston University Bridge (on Commonwealth Avenue, Boston, Massachusetts) is the only place in the world where a boat can sail under a train driving under a car driving under an airplane.
It was discovered on a space mission that a frog can throw up. The frog throws up its stomach first, so the stomach is dangling out of its mouth. Then the frog uses its forearms to dig out all of the stomach's contents and then swallows the stomach back down again.
In the last 4000 years, no new animals have been domesticated.
In 1980, a Las Vegas hospital suspended workers for betting on when patients would die.
Giraffes have no vocal cords.
February 1865 is the only month in recorded history not to have a full moon.
Aztec emperor Montezuma had a nephew, Cuitlahac, whose name meant "plenty of excrement."
According to a British law passed in 1845, attempting to commit suicide was a capital offense. Offenders could be hanged for trying.
A sneeze travels out your mouth at over 100 MPH
Abie Goldberry, a Quebec junior hockey player from the 1930's was hit by a puck while playing hockey, which ignited a set of matches that he had in his pocket. His uniform caught on fire and he was burned quite badly before the fire was put out.
If you yelled for 8 years, 7 months and 6 days you would have produced enough sound energy to heat one cup of coffee.
A duck's quack doesn't echo. No one knows why.
On the average, 12 newborns will be given to the wrong parents daily.
Leonardo da Vinci could write with one hand and draw with the other at the same time.
There are no clocks in Las Vegas casinos.
Adolf Hitler's mother seriously considered having an abortion but was talked out of it by her doctor.
To escape the grip of a crocodile's jaws, prick your fingers into its eyeballs. It will let you go instantly.
We shed 40 pounds of skin a lifetime.
The thumbnail grows the slowest, and the middle nail grows the fastest.
There are more telephones than people in Washington, D.C.
"I am." is the shortest complete sentence in the English language.
If the population of China walked past you in single line, the line Would never end because of the rate of reproduction.
The longest place name still in use is: Taumatawhakatangihangaoauauotameteaturi- Pukakpikimaungahoronukupokaiwhenua---anatahu - a New Zealand hill.
Coca-Cola was originally green and contained small amounts of cocaine.
It is impossible to lick your elbow.
The "sixth sick sheik's sixth sheep's sick" is said to be the toughest tongue twister in the English language.
In 1895, Bayer marketed diacetylmorphine as an over the counter drug for coughs and as a non-addictive substitute for morphine. Today, diacetylmorphine is better known as heroin.