Nbd... just prompting scientists to reconsider how humans spread throughout the planet 😳
The Apidima 1 partial cranium, right, and its reconstruction seen from behind, and from the side. The rounded shape is unique to modern humans and contrasts sharply with skulls of Neanderthals.
The two partial skulls were not near anything that offered archaeologists useful clues about their origin: no stone tools, no animal remains, nothing. Instead of throwing these priceless fragments away, they kept them to determine the age of the skulls using a high-tech version of mass spectrometry. Most of the uranium atoms found in nature are U-238, an isotope with 92 protons and 146 neutrons. Over time, U-238 atoms lose four of their neutrons and decay into another isotope known as U-234.
The rock surrounding Apidima 1 was estimated to be about 210,000 years old, while the rock around Apidima 2 was only 170,000 years old., a geochemist at Griffith University in Australia, is that"Apidima 1 must come from quite a different environment originally, before it was deposited at the site." Apidima 2's features were well within the range of Neanderthal specimens. The skull had a prominent brow ridge, a larger area below the eye sockets, and — most distinctively — a bulge at the back that resembles hair tied in a bun.
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