The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
Pollen can travel up to 500 miles in a day.
40
Researchers say that lining the toilet seat with paper is pretty much pointless
8
Passengers on the Beijing subway can pay with plastic bottles.
29
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
The number of births that occur in India each year is higher than the entire population of Australia.
66
Wearing red increases attraction.
30
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634