A new approach reveals unexpected ways oxygen can bind to rare metals. Iron plays a central role in how the body uses oxygen. In hemoglobin, it binds dioxygen, a pair of oxygen atoms, allowing blood ...
On the far right side of the periodic table, just beneath oxygen, sits a lesser-known group of elements called the chalcogens ...
From dream vacations gone wrong, to alleged pirates of the Caribbean and everything in between, these true crime stories are unlike any that take place on land.
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