The shift from tough, fibrous foods to processed grains and softer meals after the rise of agriculture reshaped human jaws, ...

The shift from tough, fibrous foods to processed grains and softer meals after the rise of agriculture reshaped human jaws, resulting in overbites. This change played a major role in language ...

Would this show up as a facial signal, like the smile of a human? It's Not Easy for a Dog to Smile The first thing to note is that there is a limitation on the range of facial expressions produced ...

The researchers chose to work with mini pigs because of their mandibles’ “similar size and anatomy to human mandibles.” That must have been one heck of a toothy smile—imagine regular pig ...