If the chemical sodium is dropped into water it will immediately and violently explode.
67
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Research indicates that plants grow healthier when they are stroked.
173
A cubic yard of air weighs about 2 pounds at sea level.
31
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
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
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57