The 16th-century King Ferdinand of Spain sent his subjects abroad with the command: "Get gold, humanely if possible, but at all hazards, get gold." His statement rings true today. Gold remains one of the world's most expensive ...
Environment
Feb 14, 2023
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Humans have been mixing metals to create more useful materials for thousands of years. The Bronze Age, which started around 3300 BC, was characterized by the use of bronze, an alloy of copper and tin which is stronger than ...
Analytical Chemistry
Feb 9, 2023
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56
Pesticides have proven effective in protecting crop yield against plant pathogens, but the environmental detriment to nontarget organisms has prompted a tug-of-war between organic and conventional agriculture practices. This ...
Ecology
Feb 8, 2023
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US environmental authorities on Tuesday blocked a huge gold and copper mine project in Alaska's pristine salmon-rich Bristol Bay.
Environment
Jan 31, 2023
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Five new tree-dwelling snake species were discovered in the jungles of Ecuador, Colombia, and Panama. Conservationists Leonardo DiCaprio, Brian Sheth, Re:wild, and Nature and Culture International chose the names for three ...
Plants & Animals
Jan 27, 2023
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When imagining the deep sea, we often think of a cold, dark and empty wasteland, sparsely populated by monstrous-looking creatures of the deep. But in fissures along the seabed, ocean water superheated by the Earth's magma ...
Ecology
Jan 24, 2023
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Heavy metals such as lead and cadmium are present in batteries, cosmetics, food and other things that are part of everyday life. They are toxic when they accumulate in the human organism, potentially causing several health ...
Biochemistry
Jan 23, 2023
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89
Copper is all around us. The metal is both ever-present and invisible in our world. Copper makes reading the words on this screen possible. And the global spread of artificial light, electric power and telecommunications ...
Materials Science
Jan 23, 2023
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Oak Ridge National Laboratory researchers have identified a mechanism in a 3D-printed alloy—termed "load shuffling"—that could enable the design of better-performing lightweight materials for vehicles.
Analytical Chemistry
Jan 19, 2023
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3
Panama ordered a halt Thursday to work at a copper pit that is the largest mine in Central America, after a deadline for a new contract with its Canadian operators expired.
Ecology
Dec 16, 2022
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