A liquid you can breathe in

Perfluorohexane is a liquid that you can breathe in without drowning. It is colourless and odorless.

Yellow teeth

Yellow teeth are stronger. Natural color of our teeth is light yellow. Whitening weakens our teeth permanently.

The nile Crocodile can hold its breath under water for up to two hours while waiting for…

In Portugal writing in red ink pen is considered rude.

In German language the word for poison is “Gift”.

Stairs kill approx 27000 people every year while only 27 die using lifts every year.

Real color of sun is white but the atmosphere of earth make it look yellow.

Light of North Star that we see today originated in 1583. Distance travelled by light in one…

In Finland students of PhD are given a top hat and a sword, official civilian sword of…

According to a new study older women are less likely to trim, partly shave or totally remove…