Einar@lemmy.zip to Astronomy@mander.xyz · 28 days agoAliens Probably Exist - But They’re Staying Silent For a Reasonwww.popularmechanics.comexternal-linkmessage-square31fedilinkarrow-up149file-text
arrow-up149external-linkAliens Probably Exist - But They’re Staying Silent For a Reasonwww.popularmechanics.comEinar@lemmy.zip to Astronomy@mander.xyz · 28 days agomessage-square31fedilinkfile-text
minus-squareRicky Rigatoni@retrolemmy.comlinkfedilinkarrow-up1·28 days agoWe’ve had at least 7 of them
minus-squarekalkulat@lemmy.worldlinkfedilinkEnglisharrow-up3·27 days agoWhen I look back on human history, I can see no period that I would call ‘civilized’. (Sure, there were pockets of civilization.)
We’ve had at least 7 of them
When I look back on human history, I can see no period that I would call ‘civilized’. (Sure, there were pockets of civilization.)
Explain this.