If you dig a straight tunnel into the surface of the globe and jump into it, it will take 40 minutes and 12 seconds to reach the other end of the earth.
The clouds are actually quite heavy, a medium-sized cumulus cloud that can weigh up to about 80 adult elephants.
Thunderbolts contain very large energy, one thunderbolt of lightning has enough energy to toast 100,000 pieces of bread.
Human saliva contains a pain reliever called "opiorphine", which is six times stronger than the ordinary pain reliever "morphine".
The human skin regenerates itself 900 times during a person's lifetime.
The most powerful creature on earth is the bacteria that cause sexual gonorrhea known as Streptococcus bacteria, where it can push objects over 100 thousand times more than its weight.
The air that fills a medium-sized room weighs about 100 pounds, which is equivalent to 45 kilograms.
Much of the dust in the homes is originally made from the remains of the good skin of its inhabitants.
The duck's voice is the only sound that cannot be heard, and scientists have not been able to find out why yet.
Man and ants are the only creatures on Earth that make up armies and go to war.
There is a scientific fact for a person that confirms that at the first three seconds a person wakes up from sleep and is lost his memory.
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