***It's impossible to sneeze with your eyes open.
***Most gemstones contain several elements. The exception? The diamond. It's all carbon.
***The wristwatch was invented in 1904 by Louis Cartier.
***The microwave was invented after a researcher walked by a radar tube and a chocolate bar melted in his pocket.
***Hershey's Kisses are called that because the machine that makes them looks like it's kissing the conveyor belt.
***The largest cave in the world (the Sarawak Chamber in Malaysia) is 2,300 feet (701 meters) long, 980 feet (299 meters) wide, and more than 230 feet (70 meters) high.
*** It takes approximately 12 hours for food to entirely digest.
***The human eye blinks an average of 4,200,000 times a year.
***Did you know that there are 206 bones in the adult human body and there are 300 in children (as they grow some of the bones fuse together).?
***Flea's can jump 130 times higher than their own height. In human terms this is equal to a 6ft. person jumping 780 ft. into the air.
***The most dangerous animal in the world is the common housefly. Because of their habits of visiting animal waste, they transmit more diseases than any other animal.
***Snakes are true carnivorous because they eat nothing but other animals. They do not eat any type of plant material.
***The world's largest amphibian is the giant salamander. It can grow up to 5 ft. in length.
***100 years ago: The first virus was found in both plants and animals.
***90 years ago: The Grand Canyon became a national monument & Cellophane is invented.
***80 years ago: The food mixer and the domestic refrigerator were invented.
***60 years ago: Otto Hahn discovered nuclear fission by splitting uranium, Teflon was invented.
***40 years ago: An all-female population of lizards was discovered in Armenia.
***30 years ago: The computer mouse was invented.
***20 years ago: First test-tube baby born in England, Pluto’s moon, Charon, discovered.
***10 years ago: First patent for a genetically-engineered mouse was issued to Harvard Medical School.
***5 years ago: The first successful cloning of human embryo
***The smallest bone in the human body is the stapes or stirrup bone located in the middle ear. It is approximately .11 inches (.28 cm) long.
***The longest cells in the human body are the motor neurons. They can be up to 4.5 feet (1.37 meters) long and run from the lower spinal cord to the big toe.
***The blue whale can produce sounds up to 188 decibels. This is the loudest sound produced by a living animal and has been detected as far away as 530 miles.
***The poison arrow frogs of South and Central America are the most poisonous animals in the world.
***A new born blue whale measures 20-26 feet (6.0 - 7.9 meters) long and weighs up to 6,614 pounds (3003 kg).
***The first coast-to-coast telephone line was established in 1914.
***The Stegosaurus dinosaur measured up to 30 feet (9.1 meters) long but had a brain the size of a walnut.
***The Skylab astronauts grew 1.5 - 2.25 inches (3.8 - 5.7 centimeters) due to spinal lengthening and straightening as a result of zero gravity.
***The longest living cells in the body are brain cells which can live an entire lifetime.
***The Atlantic Giant Squid's eye can be as large as 15.75 inches (40 centimeters) wide.
***The fastest computer in the world is the CRAY Y-MP C90 supercomputer. It has two gigabytes of central memory and 16 parallel central processor units
***The ears of a cricket are located on the front legs, just below the knee.
***The leg muscles of a locust are about 1000 times more powerful than an equal weight of human muscle
***Sound travels about 4 times faster in water than in air.
***Super Glue was invented by accident. The researcher was trying to make optical coating materials, and would test their properties by putting them between two prisms and shining light through them. When he tried the cyano-acrylate, he couldn't get the prisms apart.
***The typewriter was invented in 1829, and the automatic dishwasher in 1889.
***By raising your legs slowly and laying on your back, you can't sink in quicksand.
***Cars were first made with ignition keys in 1949.
***J.B Dunlop was first to put air into tires.
***It is energy-efficient to turn off a fluorescent light only if it will not be used again within an hour or more. This is because of the high voltage needed to turn it on, and the shortened life this high voltage causes.
***A Boeing 707 uses four thousand gallons of fuel in its take-off climb.
***Hawaii is moving toward Japan 4 inches every year.
***House flies have a lifespan of two weeks.
***Chimps are the only animals that can recognize themselves in a mirror.
***Starfish don't have brains.
***The average person falls asleep in seven minutes.
***Shrimp's hearts are in their heads.
***Every time you lick a stamp, you're consuming 1/10 of a calorie.
***Cats have over one hundred vocal sounds, while dogs only have about ten.
***An ostrich's eye is bigger that its brain.
***It's impossible to sneeze with your eyes open.
***Our eyes are always the same size from birth, but our nose and ears never stop growing.
***The leg bones of a bat are so thin that no bat can walk.
***Ants cannot chew their food, they move their jaws sideways, like scissors, to extract the juices from the food.
***A cat has 32 muscles in each ear.
***Tigers have striped skin, not just striped fur.
***The human brain is 80% water
***Everyone's tongue print is different.
***15 million blood cells are produced and destroyed in the human body every second.
***Every minute, 30-40,000 dead skin cells fall from your body.
***If your mouth was completely dry, you would not be able to distinguish the taste of anything.
***Most people blink about 17,000 times a day.
***Moths have no stomach.
***The animal with the largest brain in relation to its body is the ant.
***The largest eggs in the world are laid by a shark.
***Crocodiles swallow stones to help them dive deeper.
***Giraffes are unable to cough.
***Despite the hump, a camel’s spine is straight.
***Shark's teeth are literally as hard as steel
***A mosquito has 47 teeth.
***Seventy percent of the dust in your home consists of shed human skin
***A cockroach can live for several weeks without its head.
***Ants do not sleep.
***The average person has 100,000 hairs on his/her head. Each hair grows about 5 inches (12.7 cm) every year.