The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Pumice is the only rock that floats on water.
14
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
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
One ragweed plant can release as many as one billion grains of pollen!
51
Sound at the right vibration can bore holes through a solid object.
134
Nearly 50% of the world's scientists are assigned to military projects.
71