A gene tied to facial development hints humans domesticated themselves
Called BAZ1B, it may also help explain why domesticated animals look cuter than their wild kin
![Illustration of a modern human skull and a Neandertal skull](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/12/120419_ti_humandomestic_feat.png?fit=1027%2C579&ssl=1)
Modern humans (left in this illustration) have flatter, smaller faces than Neandertals (right) did. Now researchers are implicating a gene that affects movement of some developmentally important cells in that change.
heavypred/DigitalVision Vectors/Getty Images