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
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Dartboards are made out of horsehairs.
129
The most collected calls are made on Father's Day.
92
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
Diamonds mined in Brazil are harder than those found in Africa.
40
Hong Kong has more Rolls Royces per person than anywhere else in the world.
32