I agree. Here's the actual study at Nature ("Cultural hitchhiking and competitio...

		benbreen on June 1, 2018 \| parent \| context \| favorite \| on: Sudden Neolithic population drop was the result of... I agree. Here's the actual study at Nature ("Cultural hitchhiking and competition between patrilineal kin groups explain the post-Neolithic Y-chromosome bottleneck "): https://www.nature.com/articles/s41467-018-04375-6 Maybe the URL for this submission could be changed?