A more efficient, safer alternative to sourcing copper via bacteria

Copper remains one of the single most ubiquitous metals in everyday life. As a conductor of heat and electricity, it is utilized in wires, roofing and plumbing, as well as a catalyst for petrochemical plants, solar and electrical ...

Stop worrying about how much energy bitcoin uses

The word "bitcoin" is as likely to garnish feverish excitement as it is glaring criticism. The financial community sees speculative promise in the form of trade that currently has little to no regulation. Meanwhile, others ...

Stock market network reveals investor clustering

(PhysOrg.com) -- The stock price of a company continuously changes, going up or down depending on the collective activity of a large number of investors. Although this process seems fairly straightforward, no one fully understands ...

El Salvador bans metal mining in world first

El Salvador on Thursday became the first country in the world to ban the mining of metals in what campaigners called a landmark move for environmental protection.

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