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
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
According to studies, men change their minds two to three times more often than women.
72
The bark of an older redwood tree is fireproof.
65
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65