Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Pure water (H2O) does not conduct electricity on its own.
46
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Aluminum used to be more valuable than gold!
84
Brass doorknobs automatically disinfect themselves in about 8 hours.
18