Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
No matter how cold it gets, gasoline will not freeze.
107
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
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Each day, up to 150 species of life become extinct.
-23
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Sound travels fifteen times faster through steel than through air.
134