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
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Sound travels fifteen times faster through steel than through air.
134
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The left ear is more responsive to words of love and emotion whispered into it than the right.
40