Sound at the right vibration can bore holes through a solid object.
134
The average home creates more pollution than does the average car.
33
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Indoor pollution is 10 times more toxic than outdoor pollution.
62
One barrel of petroleum holds 42 gallons.
20
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61