Ars Technica |
Neanderthals were distilling tar 200 thousand years ago in Europe
Ars Technica Tar collected in a birch bark container from the "pit roll" experiment. This technique uses only glowing embers placed over a roll of bark in a small pit. Paul Kozowyk. The maximum yield of birch bark tar obtained from a single experimental attempt (15 ... A sticky solution: Know how Neanderthals made the world's first glue |
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