Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
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
One barrel of petroleum holds 42 gallons.
20
The only letter not appearing on the Periodic Table is the letter "J".
180
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Your brain is 80% water.
525
If the chemical sodium is dropped into water it will immediately and violently explode.
67
4.5 pounds of sunlight strike the Earth each day.
27