silver

Gold and diamonds are commonly known as rare and expensive metals in the world. But few know that there are other rare and more expensive metals because of their special use.

US scientists discovered one kilogram of human feces contained 0.4 mg of gold, nearly 30 mg of silver and more than 600 mg of copper.

The mirror was born about 600 BC. However, it was not until the nineteenth century that humanity could get mirrors like today ...

US scientists claim the land on the moon contains silver, sodium and some other chemical compounds.

There have been many stories and studies that raise the issue that we are abusing antiseptic soaps. Triclosan, a bactericidal agent in soap, is present in toothpaste, mouthwash,

Vietnamese scientists have created a new synthetic material - nano-sized Ag / TiO2 material with strong bactericidal ability.

Hundreds of years ago, the world scientists after many studies have proven that silver has bactericidal features ...