Related topics: nasa · water · drinking water

Resolving the 'invisible' gold puzzle

The Carlin-type gold deposits in Nevada, U.S., are the origin of five percent of the global production and 75 percent of the U.S. production of gold. In these deposits, gold does not occur in the form of nuggets or veins, ...

Parboiling method reduces inorganic arsenic in rice

Contamination of rice with arsenic is a major problem in some regions of the world with high rice consumption. Now, researchers reporting in the ACS journal Environmental Science & Technology have found a way to reduce inorganic ...

Keeping heavy metals out of beer and wine

A frosty mug of beer or ruby-red glass of wine just wouldn't be the same if the liquid was murky or gritty. That's why producers of alcoholic beverages usually filter them. But in a study appearing in ACS' Journal of Agricultural ...

Arsenic contamination is common in Punjabi wells, study finds

While most Americans have access to safe, potable water, populations in some regions of the world are not as fortunate. In fact, the majority of some 90 million people who live in the Punjab areas of Pakistan and India drink ...

The argument from cyberspace for eliminating nuclear weapons

At the height of the Cold War in 1982, American psychiatrist Robert Jay Lifton argued that the "central existential fact of the nuclear age is vulnerability." That warning predated the proliferation of computers into almost ...

Covalently modified two-dimensional arsenic

The discovery of graphene, a material made of one or very few atomic layers of carbon, started a boom. Today, such two-dimensional materials are no longer limited to carbon and are hot prospects for many applications, especially ...

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