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Archaeologists Baffled By 2,000 Tiny Gold Spirals Discovered In Denmark

Finding gold in Boeslunde, Denmark, is no huge surprise—it’s known as an area where Bronze Age gold offering are often uncovered, as curators there are explaining this month. But a recent discovery has surprised and baffled archaeologists: 2,000 tiny gold spirals. It’s a “golden enigma.” » 7/13/15 2:15pm 7/13/15 2:15pm

Making this 24 carrot gold cake is pure alchemy

One of the reasons I desperately want to time travel is to blow the minds of people in the past with just the simplest of things today. Imagine going back hundreds of years and baking this gold 24 'carrot' cake. With a few drops of food coloring and a few edible gold leaf sheets, I'd be hailed as the greatest… » 3/25/15 4:55pm 3/25/15 4:55pm

Satellite imagery reveals how gold mining is destroying tropical forests

The picture above is terrible. It shows the catastrophic effects of the deforestation caused by the current gold rush in the tropical forests of South America. The consumption of gold worldwide is increasing in the last years due to the global economic crisis and the instability in the financial markets. » 3/24/15 9:29am 3/24/15 9:29am

There's Millions of Dollars Worth of Gold and Silver in Sewage  

There's gold in them thar sewers—and silver and platinum and copper, too. A study by Arizona State University (ASU) researchers estimates there is $13 million worth of precious elements in the sewage produced by a million-person city every year. Never think of sewage as stinky worthless waste again. » 1/16/15 6:40pm 1/16/15 6:40pm

There's $2.5 Billion Worth of Silver and Gold in Phones Sold This Year

Your gadgets contain tiny specks of precious and rare earth metals—we rely on these dust-sized particles, which are so small they're often not recycled because the cost of recycling outweighs the value of the metals. But according to the American Chemical Society, the overall value of these minute materials is massive. » 9/03/14 12:28pm 9/03/14 12:28pm

These Are the Rare and Precious Metals Mined From Inside Old Electronics

You've surely heard that inside your iPhone, TV, and power drill sit fragments of valuable metals, and that our hunger for new gadgets is depleting the world of its very limited supply. But you've probably never actually seen those chips of gold or tantalum. Well, here they are. » 6/05/14 1:20pm 6/05/14 1:20pm

This Gold Nanoparticle Paint Changes Color Based on Touch

A team of chemists at the University of California, Riverside, recently had a happy accident. While experimenting with stringing gold nanoparticles together, they noticed that the gold kept changing colors from a bright blue to purple to red. Indeed, the more they touched it, the more the color changed. » 5/02/14 2:40pm 5/02/14 2:40pm

Mushrooms Can Mine the Gold From Your Old Cellphones

Crack open your dumb old phone, and you'll find lots of circuits and no lack of precious metals. "In 100,000 cell phones, it's estimated that there is 2.4 kilograms of gold, more than 900 kilograms of copper, 25 kilograms of silver, and more," according to Motherboard. Could a safer and and cheaper method of… » 4/14/14 7:00pm 4/14/14 7:00pm