The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
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
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Sound travels fifteen times faster through steel than through air.
134
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
The smell of freshly cut grass is actually a plant distress call.
31