@Kurtagag@lemmy.ca to Asklemmy@lemmy.mlEnglish • 7 days agoWhat was a fact taught to you in school that has been proven false during your lifetime?message-square222fedilinkarrow-up1167arrow-down11
arrow-up1166arrow-down1message-squareWhat was a fact taught to you in school that has been proven false during your lifetime?@Kurtagag@lemmy.ca to Asklemmy@lemmy.mlEnglish • 7 days agomessage-square222fedilink
minus-square@Kacarott@aussie.zonelinkfedilink33•7 days agoThat blood is actually blue until it gets in contact with air
minus-square@Appoxo@lemmy.dbzer0.comlinkfedilink9•6 days agoEasy to proof: Vaccumated capsule to draw blood. No contact with air and still red.
minus-square@MasterFlamingo@lemm.eelinkfedilinkEnglish4•edit-25 days agoI remember my science teacher in seventh grade saying this. I was just very confused because my mother who was a nurse said it was just a dark red.
That blood is actually blue until it gets in contact with air
Easy to proof: Vaccumated capsule to draw blood.
No contact with air and still red.
I remember my science teacher in seventh grade saying this. I was just very confused because my mother who was a nurse said it was just a dark red.