Science fact

There is a language in Africa that only uses five distinct clicking sounds to make up the entire language.

Only 8% of the world’s currency is physical money, the rest only exists on computers.

Ninety minutes of sweating can temporarily shrink the brain as much as one year of aging does.

The typical brain comprises about 2% of the body’s total weight, but uses 20% of its total energy and oxygen intake.

Octopuses have three hearts.

Humans are bioluminescent. However, the light emitted by our body is 1000 times weaker than our eyes can pick up. – Source

The Three Gorges Dam in China is the world's largest hydroelectric power station. More hydropower facts.

The word energy comes from the Greek word energeia.

Your brain is just 18 years old.

Your nose can remember 50,000 different scents.

During your lifetime, you will produce enough saliva to fill two swimming pools.