If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Nylon is made from coal and petroleum.
42
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
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