The moon moves about two inches away from the Earth each year.

A telephone signal travels a 100,000 km per second.

The shell constitutes 12% of the mass of an egg.

More than 50% of people worldwide have never made or received a telephone call.

The Eiffel Tower has 1,792 steps.

The cupboard closest to the door in a  bathroom is the cleanest because it is the least used.

One ragweed plant can release as many one billion grains of pollen.

Flamingos lay their eggs on top of volcano-shaped nests made of mud.

If you sneeze too hard, you can fracture a rib. If you keep your eyes open by force, they can pop out.

A group of geese on the ground is a gaggle, a group of geese in the air is a skein.

Many hamsters blink one eye at a time.

Bulls are colour blind.

Ants never sleep.

A group of owls is called a parliament.

Rats multiply so quickly that in 18 months, two rats could have over a million descendants.

Kidney stones come in any colour from yellow to brown.

the largest known kidney stone weighted 1.36 kilograms.

An iguana can stay under water for 28 minutes.

Babies are born without kneecaps. They appears when the child is 2--6 years of age.

Women blink twice as many times as men do.

On average, a four-year-old child asks 437 questions a day.

The average garden variety of caterpillars has 248 muscles in its head.

The most poisonous sea and land snakes both come from Australia.

Nutmeg is extremely poisonous if injected intravenously.

Wearing headphones for just an hour will increase the bacteria in your ear by 700 times.

A newly born whale on average measures 7.3m which larger than an adult elephant.

Snoring can reach loudness of 69 decibels which is about the same as the loudness of a pneumatic drill.

The Atlantic giant squid can grow to a length of 16.76 meters. It has the largest eyeballs ever known.

The giant water-lily of Brazil has pads 1,8m in diameter and are strong enough for a 63,5kg man to use as rafts.

Mosquitoes have 47 teeth.

Cats have over one hundred vocal sounds, while dogs have only about ten.

A cow gives nearly 200,000 glasses of milk in her lifetime.

You blink over 10 million times a year.

A person is born with 300 bones, but when you become an adult you only have 206 bones.

Camels have 3 eyelids to protect themselves from blowing sand.

The bird-eating spider, the largest spider in the world, has a leg span of 26.6 cm.

The most common name for a human in the world is Muhammad.