Roman toilets didn’t flush. Some of them were tied into internal plumbing and sewer systems, which often consisted of just a small stream of water running continuously beneath the toilet seats.
Source: sapiens.org
The researchers, led by Mateja Hajdinjak at the Max Planck Institute for Evolutionary Anthropology, extracted tiny amounts of bone or tooth powder—sometimes as little as 9mg—and used a chemical process to remove modern genetic contamination. They also checked for the telltale signs of degradation found in ancient DNA.
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Modern humans arose only once, in Africa, about 200,000 years ago. They then spread across Eurasia some time after 60,000 years ago, replacing whatever indigenous populations they met with no interbreeding. This is the ‘Out of Africa’ model, as it’s commonly known.
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Britain was losing the Battle of the Atlantic, with German U-boats sinking ship after ship. Enter Project Habakkuk, the incredible plan to build an aircraft carrier from ice.
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