The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Research indicates that plants grow healthier when they are stroked.
173
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
Billions of neutrinos pass unnoticed through your body every second.
6
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
If the chemical sodium is dropped into water it will immediately and violently explode.
67