Fast facts about body

The length from your wrist to your elbow is the same as the length of your foot. Your heart beats 101,000 times a day. During your lifetime it will beat about 3 billion times and pump about 400 million litres (800 million pints) of blood. It is impossible... [Read more]

The size of the sun in comparison

It is the fire of life. It can be kind but it can get angry. But it never throws its weight around. It is the sun. And although it is 330,000 more massive than earth and contains 99.8% of the mass in our solar system, it is small in comparison with some... [Read more]

You blink 15 000 times a day

The muscle that lets your eye blink is the fastest muscle in your body. It allows you to blink 5 times a second. On average, you blink 15 000 times a day. That’s about 10 times per minute, or more than five million times a year. Women blink more than... [Read more]

Who invented the paperclip

Well, it is thought to be Johann Vaaler. Drawings of his design date to early 1899, but since Norway had no patent law at the time he had to seek patent rights in Germany and the US in the following years. Johann Vaaler was born on 15 March 1866 in... [Read more]

Do doors open outward or inward?

The doors in public buildings open outward to allow a large number of people quick exit in case of danger, such as fire. If the doors opened inward, people might pile up at the exit as everyone pushed to get through at once instead of stepping back to... [Read more]

Alexander Graham Bell disliked telephones

Even Alexander Graham Bell, who was awarded the patent for the invention of the telephone, disliked telephones so much that he refused to have one in his office. But that should not come as a surprise because both his mother and wife was deaf and perhaps... [Read more]

The World’s Number 1 Killer

Heart disease is the number 1 killer for both males and females. It kills a lot more people than ALL forms of cancer tumors put together. In fact, it kills more people than war or accidents. Cardiovascular diseases and ischemic heart disease cause more... [Read more]