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Articles on Gold

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An astronaut aboard the International Space Station (ISS) took this photograph of numerous gold prospecting pits in eastern Peru. (NASA/SS Crew Earth Observations Facility and the Earth Science and Remote Sensing Unit, Johnson Space Center)

Pictures from outer space reveal the extent of illegal gold mining in Peru

NASA satellite images reveal the extent of gold-mining in Peru. This information can be used to shut down illegal mining and prevent environmental destruction and contamination.
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. (Shutterstock)

Rare metals play a strategic and essential role in 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. catscandotcom/Getty Images

Consumer electronics have changed a lot in 20 years – systems for managing e-waste aren’t keeping up

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.
Artisanal small-scale gold mining polluted this stream and deforested sections of the Madre de Dios area of Peru. Mario Tama/Getty Images

Gold rush, mercury legacy: Small-scale mining for gold has produced long-lasting toxic pollution, from 1860s California to modern Peru

Small-scale gold mining operations in developing countries are major sources of toxic mercury pollution, using techniques that haven't changed much since the California Gold Rush 150 years ago.
Researchers studied whether subtly being exposed to different colors could change tipping behavior. Anutr Yossundara/Shutterstock.com

Want better tips? Go for gold

Studies show a weak relationship between tip amounts and quality of service. But the color gold seems to have a way of making diners feel wealthier – and more generous.

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