Did you know which of the 50 states has never had an eathquake? North Dakota

Which of the 50 states has never had an earthquake? North Dakota.

Flying from London to New York by Concord, due to the time zones crossed, you can arrive 2 hours before you leave.

By raising your legs slowly and laying on your back, you can't sink in quicksand.

Sound travels about 4 times faster in water than in air.