I'm anthropologist Agustin Fuentes.
\n\nLet's answer your questions from the internet.
\n\nHow long have humans been anatomically the same
\n\nWhat do we mean by anatomically the same?
\n\nOne could ask, Well, what about our bodies is unique?
\n\nWe are the only species with a chin,
\n\nbut the chin doesn't make us human.
\n\nHow long have we had bodies that look like this?
\n\nHow long have bodies like this been the only thing around?
\n\nWhen did anatomically modern humans, that is, other humans,
\n\nfossils that look just like us, first show up?
\n\nbut it doesn't mean that we, poof, emerged then.
\n\nIf not, then how do we become humans?
\n\nthat there wasn't some point where, you know,
\n\n300,000 years ago, an archaic Homo sapiens
\n\nWhat happens is there's a whole bunch of populations
\n\nof Homo erectus or Homo erectus-like stuff
\n\nthat changed a little bit over time.
\n\nAnd once they've changed enough, that is, whole populations,
\n\nhundreds, thousands, tens of thousands of individuals,
\n\nonce they changed enough, we're like,
\n\nOoh, that's not like it was 100,000 years ago.
\n\nWe're going to call it Homo sapiens now.
\n\nGradually, over time, stuff changes.
\n\nDo y'all think monogamy is really natural,
\n\nOkay, so let…
Original source: https://www.wired.com/