The smell of freshly cut grass is actually a plant distress call.
31
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
The force of a suction cup is calculated using F=AP.
15
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Most dust particles in your house are made from dead skin!
67
The only letter not appearing on the Periodic Table is the letter "J".
180
Indoor pollution is 10 times more toxic than outdoor pollution.
62