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Neolithic Europeans suddenly stopped building megalithic tombs 5,000 years ago - and now we know why

The construction of complex megalithic tombs was a hallmark of the Neolithic period in Europe, yet this practice seems to have ceased rather abruptly at the end of the fourth millennium BCE. Numerous ...
CNN

Neolithic engineers built megalithic monument with stones that weighed as much as two jumbo jets

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Each of the 32 ...