If the chemical sodium is dropped into water it will immediately and violently explode.
67
The average home creates more pollution than does the average car.
33
Nearly 50% of the world's scientists are assigned to military projects.
71
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
No matter how cold it gets, gasoline will not freeze.
107
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9