The invention of the toilet accomplished many good things, but it did rob us of the chance at immortality - through our poop. Ancient humans have revealed some of their greatest secrets through paleofeces, the study of the waste they left behind.
The rise of agriculture allowed for the development of complex societies and technologies that likely wouldn't have been possible otherwise. It also wreaked havoc on human health. And we can add a new downside to the list: our misshapen mouths.
Why are so many societies based on hierarchy rather than egalitarian values, despite the fact that evidence suggests ancient human communities were often fairly egalitarian? Stanford researchers wanted to find out. So they designed a computer simulation that compared two basic types of societies: egalitarian ones, in…