The force of a suction cup is calculated using F=AP.
15
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Indoor pollution is 10 times more toxic than outdoor pollution.
62
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
4.5 pounds of sunlight strike the Earth each day.
27
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39