While people may be familiar with precious metals, which are often at the heart of conflicts, there are also metals that are essential to good health.
Iron fights anemia. Bismuth relieves gastric problems. Lithium acts against depression and gold can treat rheumatoid arthritis. Metals are precious tools for good health.
Most of the world’s electronics are not recycled, posing health and environmental risks.
Technical advances are reducing the volume of e-waste generated in the US as lighter, more compact products enter the market. But those goods can be harder to reuse and recycle.
The Bingham Canyon open-pit copper mine in Utah has operated since 1903.
The Trump administration is supporting new mines in Alaska and Minnesota that many opponents say could devastate sensitive areas around them.
Silver has been used to make jewellery for centuries but it’s also good at killing bacteria and could be used in new antibiotics.
For too long silver has been used to mark second best but this element deserves more recognition thanks to its antibacterial properties.
There are nanometals in your washing machine.
Many socks, towels and other textiles are treated with silver nanoparticles to kill germs and odors. When the silver washes out, it can pollute waterways. Two chemists propose a way to collect it from wastewater.
The central square of Real del Monte, Mexico.
In 1825, more than 130 Cornish miners and engineers landed in Mexico to work in the silver mines. Their legacy lives on.
Cock and bullion: the $2,000 pizza.
On sale in New York for US$2,000. Don’t all rush at once.
Problems occur when a country falls in love with gold, and silver might be about to get a boost from proposed solutions.
Chilli: not nice for mice.
Discover the chemical wonders in your kitchen cupboard.
Silver can be an effective antibacterial when treated in special ways.
Silver image via www.shutterstock.com.
Joint replacement surgery comes with a big risk of infection. New implant technology that can release silver ions inside the body could help – and without increasing antibiotic resistance.
A microscopic version of this kills bacteria.
The use of silver in medicine is as old as western medicine itself. Hippocrates is known to have used it to treat ulcers and wounds, the Romans almost certainly knew of its healing properties, its use…
Gold and silver are traditionally considered “safe havens”.
Image sourced from shutterstock.com
Safe haven investments are investments that provide a low level of risk during periods of extreme economic uncertainty. The problem is that a safe haven investment is a safe haven investment until it is…