Archaeologists reconstructed how Neanderthals manufactured sticky tar from birch bark 50,000 years ago. Neanderthals may have used the tar to attach stone points to wooden spears, as shown.
© Paul Kozowyk
By Andrew CurryOct. 21, 2019 , 3:00 PM
Old-school …
50,000-year-old, tar-smeared tool shows Neanderthal smarts
![50,000-year-old, tar-smeared tool shows Neanderthal smarts](https://www.devroeprom.be/wp-content/uploads/2019/10/1886/50000-year-old-tar-smeared-tool-shows-neanderthal-smarts-730x411.jpg)