Because of immense pressure inside Jupiter, the core has become a metal. This metal is liquid metallic hydrogen.
The hottest planet in the solar system is Venus, with an estimated surface temperature of 462 Celcius (864 F).
The cosmos contains approximately 50,000,000,000 galaxies.
Sound travels about 4 times faster in water than in air.
A large sunspot can last for about a week.
The Earth orbits the sun at an average speed of 107,220 kms per hour.
There is a high and low tide because of our moon and the Sun.
The moon is one million times drier than the Gobi Desert.
The moon is 27% the size of the Earth.
The Earth weighs 6.6 sextillion tons, or 5.97 x 1024 kg.
Sunlight takes about 8 minutes & 20 seconds to reach the Earth at 186,282 miles/sec (299,792 Km/sec).
An Astronaut can be up to 2 inches taller returning from space. The cartilage disks in the spine expand in the absence of gravity.
Mathematics
2 is called the "oddest" Even Prime-number. 2 is a unique Even Prime because all Even-numbers are divisible by 2. But any number apart from 2 that is divisible by 2, is not a Prime.
1 x 9 + 2 = 11 12 x 9 + 3 = 111 123 x 9 + 4 = 1111
and so on.
40 when written "forty" is the only number with letters in alphabetical order, while "one" is the only one with letters in reverse order.
1 googol = 10100;
1 googolplex = 10googol = 1010100 .
111 111 111 x 111 111 111 = 12345678 9 87654321
Pi (3.14159...) is a number that cannot be written as a fraction.
The opposite sides of a dice cube always add up to seven. 21978 when multiplied by 4 is the same number with digits in reverse order: 21978 x 4 = 87912
If you add up the numbers 1-100 consecutively (1+2+3+4+5...) the total is 5050.
The billionth digit of Pi is 9.
1 and 2 are the only numbers where they are the values of the numbers of factors they have.
2 and 5 are the only primes that end in 2 or 5.
The largest prime number is 9,808,358 digits long; more than the number of atoms in the universe.
The digits to the right of the Pi's (3.141...) decimal point can keep going forever, and there is no pattern to these digits at all.
Physics
On a clear day, a beam of sunlight can be reflected off a mirror and seen up to 40km away.
At the ocean's deepest point, due to immense pressure, an iron ball would take more than an hour to sink to the ocean floor.
There is enough fuel in a full tank of a jumbo jet to drive an average car around the world four times.
A car travelling at 80 km/h uses half its fuel to overcome wind resistance.
Chemistry
Twenty percent of Earth's oxygen is produced by the Amazon forest.
The noble gas Xenon lasers can cut through materials that are so tough even diamond tipped blades will not cut.
Gold and Copper are the only two non-white metals.
The burning sensation we get from chilli peppers is because of a chemical called Capsaicin.
The lighter was invented before the match (in 1816 by J.W. Dobereiner).
Each time lightning strikes, some Ozone gas is produced, thus strengthening the Ozone Layer in the Earth's atmosphere.
Honey does not spoil.
There's enough gold in the Earth's crust to cover the entire land surface knee-deep.
An average adult body contains around 250g (1/2lb) of salt.
The metal with the highest melting point is tungsten, at 3410 degrees Celcius (6170F).
One inch (2.5cm) of rain is equal to 10 inches (25cm) of snow.
Mosquitoes like the scent of estrogen, hence, women get bitten by mosquitoes more often than men do.
An ounce of gold can be stretched into a wire 80 kms (50 miles) long.
Natural gas has no odour. The smell is added artificially so that leaks can be detected.
Air becomes liquid at about minus 190 degrees Celsius.
Mercury is the only metal that is liquid at room temperature.
Absolutely pure gold is so soft that it can be moulded with the hands.
Water expands by about 10% as it freezes.
It is estimated that a plastic container can resist decomposition for as long as 50,000 years.
If you slowly pour a handful of salt into a totally full glass of water it will not overflow. In fact, the water level will go down.
Hydrogen gas is the least dense substance.
Liquid air looks like water with a bluish tint.
Hydrogen is the most abundant element in the Universe (75%).
Oxygen is the most abundant element in the Earth's crust, waters, and atmosphere (about 49.5%)
The only letter not appearing on the Periodic Table is the letter J.
Hydrofluoric acid will dissolve glass.
A bee sting is acidic and a wasp sting is alkali. To treat a sting by one of these you should use the opposite type of chemical.
The amount of carbon in the human body is enough to fill about 9,000 'lead' pencils.
Biology
The Golden "Poison Dart" frog in South America is most poisonous vertebrate in the world.
The acceleration rate of a flea's jump is 20 times that of a space shuttle during launch.
The Brazilian "railroad worm" has a head that glows with a red light, and has a green light on its side.
A woodpecker can peck with a force as high as 1,200 g's with each impact - equivalent to a human striking head against a wall at a speed of 25km (16 miles) an hour each time.
A large woodpecker can peck as fast as 20 times a second and up to 12,000 times a day.
The world's smallest flowering plant is the Wolffia, whose one full bouquet of flowers can fit on the head of a push-pin.
Rafflesia Arnoldii is the largest flower in world, and can grow as big as an umbrella.
Avocados have the highest fibre and calories of any fruit.
Pineapple is actually a giant berry.
Rats can swim for half a mile (0.8 km) without rest, and can tread water for three straight days.
Our eyes can distinguish as many as 10 million distinct colour variations.
An average adult human has skin weighing about 3 kilograms in total.
While we're awake, our brain generates enough power to illuminate a light bulb of 25 watts.
While hibernating, frogs breathe through their skin.
The world's smallest rodent is Pygmy Jerboa - measuring only a couple of inches in length - and can run as fast as a horse.
The world's smallest frog - The Little Grass Frog - is no bigger than a house fly.
With more than 80,000 arms, the Basket Starfish has the greatest number of arms.
The electric eel of South America (Electrophorus electricus) can generate over 600 volts, and can paralyze even a horse.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.
While only 2% in weight, the human brain requires 15% of the body's heart work, 20% of oxygen and 25% of all glucose.
For every 1000 red blood cells in our body, there is only about one white cell.
Armadillos spend about 80% of their lives asleep.
The human heart has enough pressure to squirt blood up to 30 feet away.
An Octopus has three hearts.
The Methuselah tree in California, USA, is the oldest living organism (4,800 years old) known today.
The Giant Burrowing Frog doesn't croak. It hoots like an owl.
Honeybees have remained unchanged in form or structure for 20 million years.
An alligator may go through 2000 to 3000 teeth in a lifetime.
Whales were once land mammals that moved to the sea and adapted to marine life.
The tongue of a blue whale is bigger than a taxi cab, and can weigh as much as an elephant.
There are more insects in a single square mile of fertile soil than there are people on the entire earth.
The longest recorded distance flown by any chicken is 301.5 feet (about 92 meters) in 13 seconds.
Elephants can hear through their feet.
Bananas are actually giant herbs - related to the orchid family.
The adult heart pumps about 7,500 litres of blood every day.
There are more bacteria and microbes in our body than actual cells that make up the body.
An ostrich's eye is bigger than its brain.
The blue whale can produce the loudest sound produced by an animal - up to 188 decibels - and detected as far away as 853 kms (530mi).
The giraffe is one of the quietest animals: it has no vocal chords to make any noise.
A goldfish (like most marine fish) can survive in a tank full of human blood.
In seahorses, it's the male who gives birth to the young.
You shed and regrow your skin every 28 days, that's about 1000 times in a lifetime.
The shark has to keep moving to stay alive.
An iguana always lands on its feet.
Fleas can jump 130 times higher than their own height. In human terms, that's a 6ft tall person jumping 780 ft in the air.
The human eye blinks an average of 4,200,000 times each year.
The liver is the only organ able to regenerate itself completely.
A fish never closes its eyes.
Only female mosquitoes bite people.
The Reticulated Pythons are the world's longest snake and also the longest reptile.
95% of all the animal species on the earth are insects.
The human brain is 75% water.
If you shrunk a car to the size of a roach, the roach could outrun the car. Roaches can run about 200 scale miles per hour.
A lobster has a sense of smell about 1000 times keener than a human. Submitted by:
95% of all animals are invertebrates (without a backbone or spinal column).
Frogs eat their skin after they shed it.
Porcupines float in water.
A hedgehog's heart beats 300 times a minute on average.
The world's termites outweigh the world's humans 10 to 1.
The average person has over 1,460 dreams a year.
Human thigh bones are stronger than concrete.
If a person or an animal is born colorblind, they instantly have excellent night vision.
Elephants are the only land animal that can't jump.
A teaspoonful of soil may contain 100 million bacteria.
Eighty-five percent of all life on Earth is Plankton.
You can figure out which way is south if you are near a tree stump. The growth rings are wider on the south side.
Eighty-five percent of all the plants and animals live in the sea.
Babies are born far sighted - their eyes start to focus properly between 3 to 6 months of age.
Men have more blood in their circulatory system than women and more red blood cells.
Your blood vessels, if laid end to end, would encircle the globe twice over.
Some species of Bamboo can grow at the rate of 1 ? metres in 24 hours.
A single bacteria cell, given all the food it needs, could divide into a ball of cells the size of the Earth in 24 hours.
The DNA in a single human cell is 37 metres long when unravelled.
DNA unravels at 7000 RPM (revolutions per minute).
Every four days the worlds population increases by one million people.
If all major forms of cardiovascular disease were eliminated, human life expectance would increase by 9.78 years.
The right lung takes in more air than the left.
Women blink nearly twice as much as men.
The ears of a cricket are located on the front legs, just below the knee.
The ant can lift things 10 times its own weight.
20/20 vision means the eye can see normally at 20 feet. 20/15 is better; the eye can see at 20 feet what another eye sees at 15 feet.
Healthy nails grow about 2 cm each year. Fingernails grow four times as fast as toenails.
Rats multiply so quickly that in 18 months, two rats could have over 1 million descendents.
Ants do not sleep.
Elephants have been known to remain standing after they die.
The average human produces a quart of saliva a day -- about 10,000 gallons in a lifetime
A cockroach can live for several weeks without its head.
Fish are the only vertebrates that outnumber birds.
Seventy percent of the dust in your home consists of shed human skin
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
A mosquito has 47 teeth.
Shark's teeth are literally as hard as steel.
Lobsters have blue blood.
The heart of giraffe is two feet long, and can weigh as much as twenty four pounds.
Cheetah's can accelerate from 0 to 70 km/h in 3 seconds.
Crocodiles swallow stones to help them dive deeper.
A crocodile's tongue is attached to the roof of its mouth.
The largest eggs in the world are laid by a shark.
The animal with the largest brain in relation to its body is the ant.
A starfish can turn its stomach inside out.
Hummingbirds can't walk.
Moths have no stomach.
On an average, most people blink about 15,000 times in a 16-hour day (awake.)
The human head is a quarter of our total length at birth, but only an eighth of our total length by the time we reach adulthood.
The human body has enough fat to produce 7 bars of soap.
There are more living organisms on the skin of a single human being than there are human beings on the surface of the earth.
If your mouth was completely dry, you would not be able to distinguish the taste of anything.
The brain uses more than 25% of the oxygen used by the human body.
15 million blood cells are produced and destroyed in the human body every second.
In your lifetime, you'll shed over 40 pounds of skin.
As an adult, you have more than 20 square feet of skin on your body--about the same square footage as a blanket for a queen-sized bed.
Everyone's tongue print is different.
The human brain is 80% water.
Only humans sleep on their backs.
There are more beetles than any other kind of creature in the world.
Armadillos can walk underwater.
Hummingbirds are the only animals able to fly backwards.
Ants cannot chew their food, they move their jaws sideways, like scissors, to extract the juices from the food.
Our eyes are always the same size from birth, but our nose and ears never stop growing.
The common goldfish is the only animal that can see both infra-red and ultra-violet light.
An iguana can stay under water for twenty-eight minutes.
Porcupines float in water.
Cats have over one hundred vocal sounds, while dogs only have about ten.
Emus and kangaroos cannot walk backwards.
Shrimp's heart is in its head. Submitted by: Scien
The average person falls asleep in seven minutes.
Starfish don't have brains.
Chimpanzees are the only animals that can recognize themselves in a mirror.
House flies have a lifespan of two weeks.
The Atlantic Giant Squid's eye can be as large as 15.75 inches (40 centimeters) wide.
The longest living cells in the body are brain cells which can live an entire lifetime.
It takes approximately 12 hours for food to entirely digest.
The Stegosaurus dinosaur measured up to 30 feet (9.1 meters) long but had a brain the size of a walnut.
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 world's largest amphibian is the giant salamander. It can grow up to 5 ft. in length.
Snakes are true carnivorous because they eat nothing but other animals. They do not eat any type of plant material.
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
93% of a water melon is water.
The human body has less muscles in it than a caterpillar.
When you blush, your stomach lining also reddens.
The human body contains about six-thousand miles of blood vessels.
The surface area of a human lung is equal to that of a tennis court.
From the age of thirty, humans gradually begin to shrink in size.
The housefly hums in the middle octave, key of F
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