These have been collected from various sources on the Internet. I do not claim credit for any of these, nor can I vouch for their validity. Enjoy! Dan

In 1935, Jesse Owens set six track and field world records in less than one hour.
The surface speed record on the moon is 10.56 miles per hour. It was set in a lunar rover.
The planet Saturn has a density lower than water. So if there was a bathtub large enough to hold it (which would be pretty weird to begin with), Saturn would float.
Certain fireflies emit a light so penetrating that it can pass through flesh and wood.
The toes of mummies are wrapped individually.
A cockroach can live for several weeks without its head.
Every major league baseball team in the U.S. buys about eighteen thousand baseballs each season.
Leonardo da Vinci spent twelve years painting the Mona Lisa's lips.
Before 1859, baseball umpires were seated in padded chairs behind home plate.
Rennin, the enzyme obtained from the fourth stomach of a calf and used chiefly in the manufacture of cheese, is capable of coagulating more than 25,000 times its weight of fresh milk.
When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
The kerosene fungus can live in jet fuel tanks. If there is a minute amount of water in the tank, the fungus can use the fuel as food.
Each day is 0.00000002 seconds longer than the one before because the Earth is gradually slowing down.
Fingernails have a life span of three to six months. That's how long it takes them to grow from base to tip, progressing at the pace of 1.5 inches a year -- or 0.000000047 inches a second.
The liquid inside young coconuts can be used as substitute for blood plasma.
Elephants have been known to remain standing after they die.
Between the time of death and the onset of rigor mortis in a human body, the contraction of the muscles can cause the body to turn over on its side.
A prehistoric horse called Eohippus was approximately the size of a house cat.
The surface area of the lungs in an adult human is 90 square yards. By comparison, the surface area of the skin is only about one square yard.
The number of possible ways of playing the first four moves per side in a game of chess is 318,979,564,000.
Every 24 hours a leaking water faucet with an opening the size of a pin will waste 170 gallons.
A silicon chip a quarter-inch square has the capacity of the original 1949 ENIAC computer, which occupied a city block.
If the population of the Earth continued to increase at its present rate indefinitely, by 3530 A.D. the total mass of human flesh and blood would equal the mass of the Earth. By 6826 A.D. it would equal the mass of the known universe.
The digestive juices of crocodiles contain so much hydrochloric acid that they have dissolved swallowed iron spearheads and six-inch steel hooks.
Gold is so ductile that a single ounce can be drawn into a fine wire 50 miles long.
The total amount of skin covering the human body weighs six pounds. A shark can detect one part of blood in 100 million parts of water.
The albatross can glide on air currents for several days and can even sleep while in flight.
Just twenty seconds' worth of fuel remained when Apollo 11's lunar module landed on the moon.
Mailing an entire building has been illegal in the U.S. since 1916 when a man mailed a 40,000-ton brick house across Utah to avoid high freight rates.
If the normal one hundred thousand hairs on a head were woven into a rope, it could support a weight of more than twelve tons
In South America a fish known as the payara has saber teeth that are two inches long. A common bait used to catch these freshwater fish is a small piranha
If you could drive to the sun -- at 55 miles per hour -- it would take about 193 years
While humans have 639 muscles, caterpillars have over four thousand
A cubic mile of ordinary fog contains less than a gallon of water.
Americans use over 16,000 tons of aspirin a year.
Lightning strikes the earth somewhere more than seventeen million times every day, or about two hundred times every second
Seventy percent of the dust in your home consists of shed human skin
The moon is one million times drier than the Gobi Desert
Ten minutes of one hurricane contains enough energy to match the nuclear stockpiles of the world
Before 1800 there were no separately designed shoes for right and left feet
The average human produces a quart of saliva a day -- about 10,000 gallons in a lifetime