A new baby usually deprives each of it's parents around 350-400 hours of sleep in the first year. That is one entire nights sleep per week, per parent.
194
If you get water flowing fast enough, it can cut metal.
354
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
There was once an undersea post office in the Bahamas.
241
'Second Street' is the most common street name in the U.S.; 'First Street' is the sixth! "
41
The largest diamond ever found was an astounding 3,106 carats!
99
