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
Couples' personalities converge over time to make partners more and more similar.
235
The Statue of Liberty is made out of copper. When originally built, it looked like a shiny new penny!
10
Daydreamers are better at solving complex problems.
28
The human eye blinks an average of 4,200,000 times a year.
233
The cruise liner, 'Queen Elizabeth 2', moves only six inches for each gallon of diesel that it burns.
26
New York's Central Park is nearly twice the size of the entire country of Monaco.
42