Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
There was once an undersea post office in the Bahamas.
241
Speed dating was invented by a Rabbi in 1999.
45
Play-Doh was first manufactured as a wallpaper cleaner.
122
There are 86,400 seconds in a day.
110
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
Sunflowers can be used to clean up radioactive waste.
17
An underwater forest off the coast of Alabama that is 50,000 years old was uncovered by Hurricane Katrina.
16
