One third of the electricity produced on earth is used to power electric light bulbs!
75
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Diamonds can be shattered with a hammer.
-104
Aluminum used to be more valuable than gold!
84
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Research indicates that plants grow healthier when they are stroked.
173
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79