Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Sound travels fifteen times faster through steel than through air.
134
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Your brain is 80% water.
525
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116