Bronze Age tombs laden with gold and precious stones .
The obvious wealth of the tombs was based on the local production of copper, which was in great demand at the time to make bronze. Among the grave goods are headbands made from gold and embossed with images of bulls, gazelles, lions and flowers. The…Read More
Why is gold so soft?
Gold is the most malleable element, but what’s the science behind it? An artisan applies a gold leaf to wood by using the “guazzo” technique, burnishing the gold leaf with an agate. Gold is the most malleable element, according to Mike Bullivant, a chemist at…Read More
GOLD: facts, history and uses of the most malleable chemical element.
The element gold is a pirate’s booty and an ingredient in microcircuits. It’s been used to make jewelry since at least 4000 B.C. and to treat cancer only in recent decades. It’s in the pot at the end of the rainbow and in the coating…Read More
Detoxifying gold mining.
Jacqueline Gerson knows very well how “artisanal gold mining” sounds to people who haven’t heard the phrase before. “I think of it like the Wild West days in the United States,” said Gerson, the assistant professor of Earth and environmental sciences in Michigan State University’s…Read More
New technologies in the beauty industry.
Painting fingernails with silver and gold by American Chemical Society. Using metal nanoparticles in clear nail polish makes it durable and colorful without extra additives. Since ancient times, people have used lustrous silver, platinum and gold to make jewelry and other adornments. Researchers have now…Read More