Sound travels fifteen times faster through steel than through air.
134
One ragweed plant can release as many as one billion grains of pollen!
51
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
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
German chemists made a replica of a trophy the size of one molecule.
68
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
According to studies, men change their minds two to three times more often than women.
72
The sun is 330,330 times larger than the earth.
75