Stamets@lemmy.dbzer0.com to People Twitter@sh.itjust.works · 2 months agoBlood is blue until exposed to oxygenlemmy.dbzer0.comimagemessage-square184fedilinkarrow-up11.31K
arrow-up11.31KimageBlood is blue until exposed to oxygenlemmy.dbzer0.comStamets@lemmy.dbzer0.com to People Twitter@sh.itjust.works · 2 months agomessage-square184fedilink
minus-squareWFloyd@lemmy.worldlinkfedilinkEnglisharrow-up3·2 months agoMy first thought was how ears and noses look red when sunlight shines through them. If blood was blue, wouldn’t they be blue or purple?
My first thought was how ears and noses look red when sunlight shines through them. If blood was blue, wouldn’t they be blue or purple?