A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
14
160 cars can drive side by side on the Monumental Axis in Brazil, the world's widest road.
39
There was once an undersea post office in the Bahamas.
241
68 percent of a Hostess Twinkie is air!
37
In 1976, an underachieving Princeton junior undergraduate wrote a term paper detailing how to make a nuclear bomb. He got an "A", but never got his paper back because it was seized by the FBI.
16
SONY was originally called 'Totsuken'.
70