It's impossible to sink in the Dead Sea without equipment!
72
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
Less than 3% of the water produced at a large municipal water treatment plant is used for drinking purposes!
24
Oak trees can live 200 or more years.
61
The song 'Strawberry Fields Forever', sung by the Beatles, refers to an orphanage located in Liverpool.
79
At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
24
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244