Ideas tagged with human evolution

Explanation for spheno-ethmoid contact on the organ-crowded hominoid anterior cranial floor

The anterior cranial floor is variably configured in primates. The [sphenoid and ethmoid bones contact each other]( in strepsirrhines, orangutans, and modern humans, whereas a [horizontal plate of frontal bone](https://www....

By Robert McCarthy

Human oral microbiome crisis at the end of 18th c.?

Scholars have recently shown a clear increase in the frequency of caries and tooth loss for humans after the end of the 18th c. [1] For the authors, changes in nutrition (more sugar) and dental health (possibly higher frequency of tooth extraction) could be the underlying factors which led to th...

By Philippe Charlier