RSS Bot@lemmy.bestiver.seMB to Hacker News@lemmy.bestiver.seEnglish · 17 days agoHumans 40k yrs ago developed a system of conventional signswww.pnas.orgexternal-linkmessage-square1linkfedilinkarrow-up110arrow-down10file-textcross-posted to: science@mander.xyzscience@lemmy.mlarchaeology@mander.xyzlinguistics@mander.xyz
arrow-up110arrow-down1external-linkHumans 40k yrs ago developed a system of conventional signswww.pnas.orgRSS Bot@lemmy.bestiver.seMB to Hacker News@lemmy.bestiver.seEnglish · 17 days agomessage-square1linkfedilinkfile-textcross-posted to: science@mander.xyzscience@lemmy.mlarchaeology@mander.xyzlinguistics@mander.xyz
