PugJesus@lemmy.worldM to A Comm for Historymemes@lemmy.worldEnglish · 18 days agoThe past is a funny placelemmy.worldexternal-linkmessage-square16fedilinkarrow-up11arrow-down10
arrow-up11arrow-down1external-linkThe past is a funny placelemmy.worldPugJesus@lemmy.worldM to A Comm for Historymemes@lemmy.worldEnglish · 18 days agomessage-square16fedilink
minus-squarejol@discuss.tchncs.delinkfedilinkEnglisharrow-up0·18 days agoOne of those things that makes you wonder who tried it first and for long enough to notice that it whitened your teeth.
minus-squareMidnight Wolf@lemmy.worldlinkfedilinkEnglisharrow-up0·18 days ago“wait, you’re supposed to spit at the end?” --discoverer
minus-squareRevan343@lemmy.calinkfedilinkEnglisharrow-up0·18 days agoProbably noticed that pissing on a rock in the same place over and over started to bleach it
minus-squareGoodLuckToFriends@lemmy.todaylinkfedilinkEnglisharrow-up0·18 days agoAn even older use of urine was to clean clothes. In greek cities, there were pots to piss into on the street that launderers would pick up. So it probably evolved from that to cleaning other things, like your teeth.
One of those things that makes you wonder who tried it first and for long enough to notice that it whitened your teeth.
“wait, you’re supposed to spit at the end?” --discoverer
Probably noticed that pissing on a rock in the same place over and over started to bleach it
An even older use of urine was to clean clothes. In greek cities, there were pots to piss into on the street that launderers would pick up. So it probably evolved from that to cleaning other things, like your teeth.