Californium, a metal first synthesized in 1950, is the world's most expensive material due to its extreme rarity and its ...

Gold has for centuries been an attractive commodity. Not only is the precious metal viewed as a form of currency, but it's considered an attractive investment commodity as well. That's especially ...

Gold is sought after during economic unrest as a hedge against inflation. Silver's use as an industrial metal makes it more volatile than gold. Precious metals can diversify portfolios but carry ...

However, there are specially designed precious metal IRAs that let you invest for retirement using gold, palladium, silver and other valuable metals. A precious metal IRA is a special form of self ...

"By transforming CO 2 into value-added materials, we not only reduce ... to find ways to recover that precious metal. Traditional methods for recovering gold from e-waste involve harsh chemicals ...

to organic materials. A Cornell University-led research team has developed a method for extracting gold from electronics waste, then using the recovered precious metal as a catalyst for converting ...