When archaeologists studying a fifth-century Swedish site found a human skeleton lying on the floor of a house, they wondered why no one had buried it. Then they found another. And another. All showed ...
3don MSN
In 1669, an alchemist’s unusual search for gold led to one of chemistry’s strangest discoveries
A German alchemist named Hennig Brand sought gold in 1669. He used large amounts of urine in his experiments. Instead of gold ...
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