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
Balsa wood is classified as a hard wood!
41
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Scientists aren't sure what color dinosaurs were.
312
Most dust particles in your house come from dead skin.
48