Natalie Goldstein: 2 books
by Natalie Goldstein, Margaret Christine Campbell
Language: English
Release Date: August 15, 2011
Language: English
Release Date: August 15, 2011
The earliest humans understood matter on a very basic, practical level. Through trial and error they determined which rocks could make good spearheads and good pounding or grinding stones. The Bronze Age began about 2000 BCE when rocks containing copper and tin were heated together. The combination...
by Natalie Goldstein, Margaux Baum
Language: English
Release Date: July 15, 2016
Language: English
Release Date: July 15, 2016
The simplest living organisms on Earth, viruses are endlessly studied and yet remain a great mystery. They are the cause of many human and animal illnesses, from the numerous and common cold and flu viruses that plague us for a few days or weeks, to more insidious but treatable viral infections, such...