A team from Australia’s James Cook University has synthesized “freestanding” graphene using non-toxic and renewable tangerine peel oil that can reportedly be used for the recovery of silver from ...

Every year, we toss out 152 million mobile phones, 52 million computers, and 36 million monitors. That’s a massive ecological problem — but it’s also a massive revenue opportunity. Because each year, ...

Find includes 1,200 bars of silver bullion. July 18, 2012— -- An American company has made what is being called the heaviest and deepest recovery of precious metals from a shipwreck. The Tampa, ...