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68Silver Nitrate and Its Uses
Silver nitrate is a natural substance that has found various uses by man throughout history. While at first these uses were predominantly medical in nature, now there are a multitude of chemical, biological...
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72John Dalton
John Dalton was born in a Quaker (a religious society) family in Eaglefield, Cumberland County. His mother, Deborah, lived by the motto "for God and husband". His father earned his living at the handloom. Such...
0 comments38Cosmetic Chemicals
Contrary to what many might believe, cosmetics and sunscreens have been around a long, long time. In fact, there is archaeological evidence that some cosmetic remedies were in use as long as 6000 years ago. ...
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