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-squareThunderQueen@lemmy.worldlinkfedilinkarrow-up1·2 days agoVeins appear blue because the skin and veins refract the light to permeating the skin causing the wavelenths to appear blue. It was well known in the early 2000s. She was just stupid and had no business teaching science.
Veins appear blue because the skin and veins refract the light to permeating the skin causing the wavelenths to appear blue. It was well known in the early 2000s. She was just stupid and had no business teaching science.