Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
There are 53 Lego bricks manufactured for each person in the world.
83
There are 293 ways to make change for a dollar.
148
There are 635,013,559,599 possible hands in a game of bridge.
39
The mile is Latin for 1,000. The number of paces it took the average Roman!
36
There is a fake village with fake shops and restaurants that is actually a care home for elderly dementia sufferers in the Netherlands.
7
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33