Seaweed can grow up to 12 inches per day!
59
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
255
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
GTA V achieved $1 billion in sales just 3 days after its launch.
21
The face of a penny can hold about thirty drops of water.
85
Sunflowers can be used to clean up radioactive waste.
17