*The Hubble Space Telescope weighs 12 tons (10,896 kilograms), is 43 feet (13.1 meters) long, and cost $2.1 billion to originally build.
*The longest living cells in the body are brain cells which can live an entire lifetime.
* The largest flying animal was the pterosaur which lived 70 million years ago. This reptile had a wing span of 36-39 feet (11-11.9 meters) and weighed 190-250 pounds (86-113.5 kilograms).
*The Atlantic Giant Squid's eye can be as large as 15.75 inches (40 centimeters) wide.
*Armadillos, opossums, and sloth's spend about 80% of their lives sleeping.
*The starfish species, Porcellanaster ivanovi, has been found to live in water as deep as 24,881 feet (7,584 meters).
*The tentacles of the giant Arctic jellyfish can reach 120 feet (36.6 meters) in length.
*The greatest tide change on earth occurs in the Bay of Fundy. The difference between low tide and high tide can be as great as 54 ft. 6 in. (16.6 meters).
*The highest temperature produced in a laboratory was 920,000,000 F (511,000,000 C) at the Tokamak Fusion Test Reactor in Princeton, NJ, USA.
*The most powerful laser in the world, the Nova laser at Lawrence Livermore National Laboratory, CA, USA, generates a pulse of energy equal to 100,000,000,000,000 watts of power for .000000001 second to a target the size of a grain of sand.
*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 heaviest human brain ever recorded weighed 5 lb. 1.1 oz. (2.3 kg.).
*The deepest part of the ocean is 35,813 feet (10,916 meters) deep and occurs in the Mariana Trench in the Pacific Ocean. At that depth the pressure is 18,000 pounds (9172 kilograms) per square inch.
*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.
*The hottest planet in the solar system is Venus, with an estimated surface temperature of 864 F (462 C).
*The ears of a cricket are located on the front legs, just below the knee.
*The first electronic digital computer (called ENIAC - the Electronic Numerical Integrator and Calculator) was developed in 1946 and contained over 18,000 vacuum tubes.
*The leg muscles of a locust are about 1000 times more powerful than an equal weight of human muscle.
*The cosmos contains approximately 50,000,000,000 galaxies.
*There are between 100,000,000,000 and 1,000,000,000,000 stars in a normal galaxy.
*Sound travels about 4 times faster in water than in air.
*Scientists have discovered that copper pollution of the atmosphere occurred about 2500 years ago. This was discovered by analyzing ice cores from Greenland. The pollution was attributed to the Romans who used copper for military purposes and to produce coins.
*Hydrofluoric acid will dissolve glass.
*In a full grown rye plant, the total length of roots may reach 380 miles (613 km).
*In a full grown rye plant, the total length of fine root hairs may reach 6600 miles (10,645 km).
*A large sunspot can last for about a week.
*If you could throw a snowball fast enough, it would totally vaporize when it hit a brick wall.
*Boron nitride (BN) is the second hardest substance known to man.
*The female Tarantula Hawk wasp paralyzes a large spider with her sting. She then lays her eggs on the motionless body so that her developing young have a fresh supply of spider meat to feed on.
*The seeds of an Indian Lotus tree remain viable for 300 to 400 years.
*The only letter not appearing on the Periodic Table is the letter “J”.
*Velcro was invented by a Swiss guy who was inspired by the way burrs attached to clothing.
*Hershey's Kisses are called that because the machine that makes them looks like it's kissing the conveyor belt.
*October 10 is National Metric Day.
*If you stretch a standard Slinky out flat it measures 87 feet long.
*The microwave was invented after a researcher walked by a radar tube and a chocolate bar melted in his pocket.
*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.
*No matter its size or thickness, no piece of paper can be folded in half more than 7 times.
*A car traveling at 80 km/h uses half its fuel to overcome wind resistance.
*Knowledge is growing so fast that ninety per cent of what we will know in fifty years time, will be discovered in those fifty years.
*According to an old English system of time units, a moment is one and a half minutes.
*The typewriter was invented in 1829, and the automatic dishwasher in 1889.
*The wristwatch was invented in 1904 by Louis Cartier.
*When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
*By raising your legs slowly and laying on your back, you can't sink in quicksand.
*Ten minutes of one hurricane contains enough energy to match the nuclear stockpiles of the world.
*Most gemstones contain several elements. The exception? The diamond. It's all carbon.
*Diamonds are the hardest substance known to man.
*Which of the 50 states has never had an earthquake? North Dakota.
*When hydrogen burns in the air, water is formed.
*Sterling silver contains 7.5% copper.
*Cars were first made with ignition keys in 1949.
*J.B Dunlop was first to put air into tires.
*Alexander Graham Bell, who invented the telephone, also set a world water-speed record of over seventy miles an hour at the age of seventy two.
*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.
*The Earth's equatorial circumference (40,075 km) is greater than its polar circumference (40,008 km).
*Lake Baikal is the deepest lake in the world.
*Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
*The Earth's average velocity orbiting the sun is 107,220 km per hour.
*There is a high and low tide because of our moon and the Sun.
*The United States consumes 25% of all the world’s energy.
*Flying from London to New York by Concord, due to the time zones crossed, you can arrive 2 hours before you leave.
*There is enough fuel in a full tank of a Jumbo Jet to drive an average car four times around the world.
*The surface speed record on the moon is 10.56 miles per hour. It was set with the lunar rover.