Stamets@lemmy.dbzer0.com to People Twitter@sh.itjust.works · 1 month agoBlood is blue until exposed to oxygenimagemessage-square184linkfedilinkarrow-up11.3Karrow-down16
arrow-up11.3Karrow-down1imageBlood is blue until exposed to oxygenStamets@lemmy.dbzer0.com to People Twitter@sh.itjust.works · 1 month agomessage-square184linkfedilink
minus-squareThunderQueen@lemmy.worldlinkfedilinkarrow-up1·1 month 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.