Diamonds are the hardest substance known to man.
Hydrogen is the most abundant element in the Universe (75%).
The typewriter was invented in 1829, and the automatic dishwasher in 1889.
No matter its size or thickness, no piece of paper can be folded in half more than 7 times.
The only letter not appearing on the Periodic Table is the letter “J”.
Hydrofluoric acid will dissolve glass.
Sound travels about 4 times faster in water than in air.
There are between 100,000,000,000 and 1,000,000,000,000 stars in a normal galaxy.
The hottest planet in the solar system is Venus, with an estimated surface temperature of 864 F (462 C).
The longest living cells in the body are brain cells which can live an entire lifetime.
The Cerebrum, also called the forebrain, is responsible for our language, memory, movement and all. As you’re reading this and trying to understand it, you’re using your Cerebrum.
Each carbon nucleus (containing six protons and six neutrons) is made up from three nuclei of helium.
It was not until 1926 that Pneumatic tyres surpassed solid tyres in numbers used on vehicles.
The normal energy used by our brain is 0.1 calories per minute, and could go up to 1.5 during activities such as puzzle-solving.
The diamond is the mineral as found in nature. There is no known material of greater hardness on Earth, so in order to carve a diamond would have to use another diamond.
The moon is a planet just like the earth, only it is even deader.
The pistol of a flower is its only protections against insects.
H2O is hot water, and CO2 is cold water
Blood flows down one leg and up the other.
Dew is formed on leaves when the sun shines down on them and makes them perspire.
The human eye blinks an average of 4,200,000 times a year.
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.
There are 206 bones in the adult human body and there are 300 in children (as they grow some of the bones fuse together).
It takes approximately 12 hours for food to entirely digest.
Human jaw muscles can generate a force of 200 pounds (90.8 kilograms) on the molars.
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 heaviest human brain ever recorded weighed 5 lb. 1.1 oz. (2.3 kg.)
By raising your legs slowly and laying on your back, you can’t sink in quicksand.
Children grow faster in the springtime.
The thyroid cartilage is more commonly known as the adams apple.
The average human brain has about 100 billion nerve cells.
The only jointless bone in your body is the hyoid bone in your throat
It takes the interaction of 72 different muscles to produce human speech.
It’s impossible to sneeze with your eyes open.
Babies are born without knee caps. They don’t appear until the child reaches 2-6 years of age.
There are 10 human body parts that are only 3 letters long (eye hip arm leg ear toe jaw rib lip gum).
An average human scalp has 100,000 hairs.
The entire length of all the eyelashes shed by a human in their life is over 98 feet (30 m).
Hair is made from the same substance as fingernails.
The pancreas produces Insulin.
Every year about 98% of the atoms in your body are replaced.
The average human heart will beat 3,000 million times in its lifetime and pump 48 million gallons of blood.
After spending hours working at a computer display, look at a blank piece of white paper. It will probably appear pink.
Babies are born with 300 bones, but by adulthood we have only 206 in our bodies.
Each square inch of human skin consists of twenty feet of blood vessels.
Fingernails grow faster than toenails.
A fetus acquires fingerprints at the age of three months.
A human being loses an average of 40 to 100 strands of hair a day.
During a 24-hour period, the average human will breathe 23,040 times.
Each square inch (2.5 cm) of human skin consists of 20 feet (6 m) of blood vessels.
Human blood travels 60,000 miles (96,540 km) per day on its journey through the body.
After you die, your body starts to dry out creating the illusion that your hair and nails are still growing after death.
If you go blind in one eye you only lose about one fifth of your vision but all your sense of depth.
It takes approximately 12 hours for food to entirely digest.
The tentacles of the giant Arctic jellyfish can reach 120 feet (36.6 meters) in length.
Gold-wrapped chocolate coins commemorate St Nicholas who gave bags of gold coins to the poor.
The catfish has over 27,000 taste buds.
A car traveling 100 mph would take more than 29 million years to reach the nearest star.
The smile is the most frequently used facial expression. A smile can use anywhere from a pair of 5 to 53 facial muscles.
The stonefish, which lives off the coast of Australia, is the most poisonous fish in the world.
Almonds are members of the peach family.
In most advertisements, including newspapers, the time displayed on watch is 10:10.
A dragonfly has a lifespan of 24 hours.
Bingo is the name of the dog on the Cracker Jack box.
Virgina Woolf wrote all her books standing.
Wayne’s World was filmed in two weeks.
Tigers have striped skin, not just striped fur.
Canada is an Indian word meaning “Big Village”.
Trees receive an estimated 90% of their nutrition from the atmosphere and only 10% from the soil.
Trees renew our air supply by absorbing carbon dioxide and producing oxygen.
Trees lower air temperature by evaporating water in their leaves.
A tree does not reach its most productive stage of carbon storage for about 10 years.
One of the tallest soft wood trees is the General Sherman, a giant redwood sequoia of California. General Sherman is about 275 ft or 84 m high with a girth of 25 ft or 8 m.
Dendrochronology is the science of calculating a tree’s age by its rings.
A mature birch tree can produce up to 1 million seeds per year.
Trees receive an estimated 90% of their nutrition from the atmosphere and only 10% from the soil.
Trees grow from the top, not from the bottom as is commonly believed. A branch’s location on a tree will only move up the trunk a few inches in 1000 years.
The largest area of forest in the tropics remains the Amazon Basin, amounting to 81.5 million acres.
Tree leaves help trap and remove tiny particles of soot and dust which otherwise damages human lungs.
By creating shade, trees moderate temperatures both globally and in the micro-climates of cities and counties.
Trees create buffers to reduce noise.
The presence of trees in urban neighborhoods has been linked to less crime.
Tree roots stabilize soil and prevent erosion.
The cottonwood tree seed is the seed that stays in flight the longest. The tiny seed is surrounded by ultra-light, white fluff hairs that can carry it on the air for several days.
Tree rings provide precise information about environmental events, including volcanic eruptions.
One acre of trees removes up to 2.6 tons of carbon dioxide each year.
Trees improve water quality by slowing and filtering rain water, as well as protecting aquifers and watersheds.
Avocados have the highest calories of any fruit at 167 calories per hundred grams.
The California redwood – coast redwood and giant sequoia – are the tallest and largest living organism in the world.
One bushel of corn will sweeten more than 400 cans of pop.
Nutmeg is extremely poisonous if injected intravenously.
The Pitcher-plant is a carnivorous plant, a meat eater. Carnivorous plants usually live in nitrogen poor soils. They have ‘learned’ to augment the inadequate nitrogen available in the soil by capturing and consuming insects!
40% of prescripition drugs dispensed in the U.S. have active ingredients derived from plants, animals or microorganisms, many of them from forests.
The hurricane plant has holes in its leaves, which keep it from being destroyed by wind.
The canopy of a rainforest is so thick, only one percent of sunlight reaches the ground.
A banana is about 75 percent water.
A single large tree can release up to 400 gallons of water into the atmosphere each day.
Rafflesia flowers attract pollinating flies by looking and smelling like rotten meat.
One acre of trees absorbs enough carbon dioxide per year to match that emitted by driving a car 26,000 miles.
The saguaro cactus of the Arizona Desert grows less than one inch in it’s first 10 years.
In the 1800’s an Eggplant was known as a “mad apple” and believed to be poisonous.
One cord of wood can make 7 and a half million toothpicks.
The spice saffron comes from a certain type of crocus.
Tulip bulbs can be used in place of onions for cooking.
Women prefer pastel colored roses, men on the other hand prefer red.
The creamy-white bloom of the magnolia tree was designated the state flower of Louisiana in 1900 because of the abundance of trees throughout the state. Magnolia is an evergreen and the flower is usually fragrant. After the six to twelve petals of the flower have fallen away the large cone shaped fruit of the magnolia is exposed.
The cactus family is divided into more than 100 genera. For simplicity North American cacti are placed into five groups: the prickly pears, the saguaro cactus group, the hedgehog cacti, the barrel cacti, and the pin-cushion and fishhook cacti.
Germany’s national flower, centaurea is related with the emperor of old Germany. It has been called the “Emperor’s flower”. Because of the authoritative language of the flower’s name, it naturally has been considered the national flower. Its status was not changed after the republic of Germany was established.
The rose is the best-known symbol of beauty and love. A single rose signifies simplicity.
Tulips are one of the fastest developing flowers. They can grow up to an inch a day after being cut.
The scientific name for flowering plants is angiosperm, which means “seed bearing” from the Greek angos meaning “box” and sperm, “seed”, which comes from the ancient root “sper-”, meaning to scatter, from which we also get “sprout”.
The ant can lift 50 times its own weight, can pull 30 times its own weight and always falls over on its right side when intoxicated.
The reptiles have 6,000 species crawling in their habitats; and more are discovered each year.
The sailfish can swim at the speed of 109 km/h, making it the fastest swimmer.
According to records there are 50 million monkeys. That is quite an over population!
Bats eat all types of food. There is no restriction where their diet is concerned.
The hippopotamus’s skin is protected by its own pink oily secretion known as ‘Pink sweat’.
Just one cow gives off enough harmful methane gas in a single day to fill around 400 liter bottles.
Dolphins sleep with one eye open.
More people are killed annually by donkeys than in airplane crashes.
The typical hen lays 19 dozen eggs a year.
Dogs and humans are the only animals with prostates.
The giraffe has the highest blood pressure of any animal.
A rat can go without water longer than a camel can.
A goldfish has a memory span of 3 seconds.
Bulls are color blind.
A cow’s only sweat glands are in its nose.
A group of owls is called a parliament.
An elephant can be pregnant for up to 2 years
Chickens can’t swallow while they are upside down.
The flea can jump 350 times its body length. It’s like a human jumping the length of a football field.
Butterflies taste with their feet.
It takes 8 minutes 17 seconds for light to travel from the Sun’s surface to the Earth.
The Earth spins at 1,000 mph but it travels through space at an incredible 67,000 mph.
Every year lightning kills 1000 people.
On average, 100 people choke to death on ballpoint pens every year.
Women blink nearly twice as much as men.
No word in the English language rhymes with”MONTH”.
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
“Go.” is the shortest complete sentence in the English language.
The electric chair was invented by a dentist.
The cigarette lighter was invented before the match.
The air at the summit of Mount Everest, 29,029 feet is only a third as thick as the air at sea level.
Alfred Nobel invented dynamite in 1866.
The Ebola virus kills 4 out of every 5 humans it infects.
Without its lining of mucus your stomach would digest itself.
Utopia ia a large, smooth lying area of Mars.
The largest galexies contain a million, million stars.
The Universe contains over 100 billion galaxies.