Science

The name nicotine comes from the name of the French physician Jean Nicot, who recommended tobacco as a medicine in the 16th century.

They can be very expensive.

The human eye produces up to about 115 liters of tears annually.

Graphene was successfully isolated and characterized in 2004 by Andrei Geim and Konstantin Novoselov from the University of Manchester.

The exact size of the universe cannot be estimated.

The other side of the Moon is called the far side, not the "dark side" as some say, because each part of our satellite is darkened for exactly the same period.

A mushroom called Entoloma hochstetteri is a mushroom with a blue, fruiting body.

Physical activity is equally important for the proper functioning of the brain, as it helps to create new nerve connections.

The next stage was the Dark Ages and the formation of large cosmic structures.

Lava can take many different forms.