Balsa wood is classified as a hard wood!
41
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
Most dust particles in your house are made from dead skin!
67
Out of all the senses, smell is most closely linked to memory.
146
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Pure water (H2O) does not conduct electricity on its own.
46
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88