Stamets@lemmy.dbzer0.com to People Twitter@sh.itjust.works · 3 days agoBlood is blue until exposed to oxygenlemmy.dbzer0.comimagemessage-square179fedilinkarrow-up11.2Karrow-down16
arrow-up11.2Karrow-down1imageBlood is blue until exposed to oxygenlemmy.dbzer0.comStamets@lemmy.dbzer0.com to People Twitter@sh.itjust.works · 3 days agomessage-square179fedilink
minus-squareWFloyd@lemmy.worldlinkfedilinkEnglisharrow-up3·2 days 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?