For more information about gold check the Wikipedia article here
A new theory based on a simple but viable geologic model claims that over 80 percent of all commercial gold deposits were formed in a flash. Gold seams are formed when mineral-rich waters flow through networks of cracks in rocks some 5-30 km deep. But the exact mechanism through which the gold is deposited is [...]
Thu, Oct 25, 2012
No, this isn’t some kind of reinvented alchemy or optical illusion. Scientists at University of Southampton have changed the colour of gold, silver and other metals without coating, by using a nanotechnology patterning technique. Applications may include harder to forge currency or encryption of valuable documents, among other. The team of researchers embossed the surface of [...]
Mon, Nov 10, 2008
The Israel Antiquities Authority said that archaeologists found a 2,000-year-old gold earring next to the walls of the ancient city, under what was a parking lot. This is not the first amazingly well preserved piece of jewelry found in Israel, but many jewish works of art are often found in other places (such as the [...]
Some photos of the amazing sun halo hovering over NYC
Record level atmospheric CO2. Reaches 400 ppm for the first time in 3 million years
Your brain detects grammar errors even when you’re not aware of them
First mathematical proof that prime numbers come in infinite pairs
CT scan images caterpillar to butterfly metamorphosis in 3-D
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Mon, Mar 18, 2013
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