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
According to studies, men change their minds two to three times more often than women.
72
German chemists made a replica of a trophy the size of one molecule.
68
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Sound at the right vibration can bore holes through a solid object.
134
Most dust particles in your house come from dead skin.
48