A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
There was once an undersea post office in the Bahamas.
241
Standard paper cannot be folded in half more than 7 times.
232
If the human eye was a digital camera, it would have 576 megapixels.
25
The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
14
You can actually sharpen the blades on a pencil sharpener by wrapping your pencils in aluminum foil before inserting them.
209
Seaweed can grow up to 12 inches per day!
59
