In space, astronauts can not cry. In zero gravity, tears can not flow (or flatulence is not possible in a state of weightlessness).

An average person has 1,460 dreams every year.

About 12 children are offered daily, by maternity, other than their natural mothers. This statistic includes all countries.

Wingspan of a Boeing 747 is greater than the distance traveled by the Wright brothers in their first flight.

If you speak at your cell phone for an hour, the number of bacteria in your ear will grow at least 700 times.

You think playing the lottery? Then you should know that there are far more likely to die on the way to buy the ticket than to win a lottery prize to any of the lotteries of the world.

Only 5% of surface covered by oceans on Earth has been mapped in such detail as it was the planet Mars

Average daily products who are offered for sale on Ebay is 18 million.

In 2004, a study shows that one in six girls enter puberty at age 8 years. After a century, only one girl in 100 reached puberty at that age.

In the U.S. alone there are about 7,000 tigers kept as pets.

The spectacular development of real estate prices occurred in Iraq. If a house in Baghdad before the war was not sold more than $ 15,000, today the price rose to $ 150,000.

Leg bones of a bat are so thin that no bat can use them to move

There are many people who learn english in China than those who speak it officially in the United States (300 million).

Among African elephants, both males and females have ivory, while only the male asian elephants boast ivory.

You know who are the biggest consumers of fast food on the planet? The correct answer is ... chinese. 41% of chinese people eat at least once a week at a fast food restaurant. Only 35% of Americans do so.

An adult horse can consume in a year an amount of food that exceeds 7 times its own weight.

Want to know what country is given the longest holidays? Well, in France the state provides for employees five weeks of vacation per year. Most french receive, however, two months per year .

The largest McDonald's restaurant is in ... Beijing, China. It covers an area of 2.6 square kilometers and has no less than 29 cash registers.

A chicken may lay, on average, up to 19 eggs per year.

The largest venomous snake in the world is the Royal Cobra. It can reach lengths of up to 5.5 meters.