A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
There are 2,500,000 rivets in the Eiffel Tower.
98
Couples' personalities converge over time to make partners more and more similar.
235
Coins usually survive in circulation for about 30 years.
66
Hong Kong has more Rolls Royces per person than anywhere else in the world.
32
Teddy bears were named after U.S. President Theodore 'Teddy' Roosevelt.
23
There are 86,400 seconds in a day.
110