If the chemical sodium is dropped into water it will immediately and violently explode.
67
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
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
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
The force of a suction cup is calculated using F=AP.
15