Diamonds mined in Brazil are harder than those found in Africa.
40
Kilts are not native to Scotland. They originated in France.
57
The French named one of their aircraft carriers after Ferdinand Foch, a man who once said "Airplanes are interesting toys but of no military value".
10
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
No matter its size or thickness, no piece of paper can be folded in half more than 8 times.
-64
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
It is estimated that millions of trees in the world are accidentally planted by squirrels who bury nuts and then forget where they hid them!
174
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140