Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Most dust particles in your house come from dead skin.
48
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Sound travels fifteen times faster through steel than through air.
134
Aluminum used to be more valuable than gold!
84
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3