Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The only letter not appearing on the Periodic Table is the letter "J".
180
A ball of glass will bounce higher than a ball made of rubber.
73
Cold water weighs more than hot water.
93