Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
In 1989, a British company made a laptop with a graphical user interface, a 60 hour battery life, SSD storage, and a touchpad.
12
Real diamonds do not show up on x-ray.
36
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44