Category: Science

Muscle facts

The tongue does not really consist of one muscle, only 8. Of all the muscles a person has, only the heart never gets tired. Muscle tissue is about 15% denser than body fat.

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Malaria facts

Over a billion people worldwide are in close contact with malaria. 90% of malaria cases occur in Africa. Over $ 2.5 billion is spent annually on the fight against malaria.

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Pi number facts

William Shanks in the nineteenth century, calculated the first 707 digits Pi by hand, unfortunately made a mistake after 527 place. In the first 31 digits after the comma PI there are no zeros.

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Larynx facts

In 1998, the first laryngeal transplant took place at the Cleveland clinic. Man speaks at a frequency of 65 to 260 Hz. Whispering strains our strings more than normal, quiet speech.

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Spine facts

We have 33 circles after birth. In adults, 9 of them grow into the sacrum and the tumor. A giraffe has the same number of cervical vertebrae as a human.

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Bone facts

An adult has 206 bones. The hardest human bone is the femur. The most common broken bone in adults is the humerus bone, and in children the collarbone.

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