Kurtagag@lemmy.ca to Asklemmy@lemmy.mlEnglish · 2 days agoWhat was a fact taught to you in school that has been proven false during your lifetime?message-squaremessage-square198fedilinkarrow-up1154arrow-down11
arrow-up1153arrow-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 · 2 days agomessage-square198fedilink
minus-squareKacarott@aussie.zonelinkfedilinkarrow-up30arrow-down1·1 day agoThat blood is actually blue until it gets in contact with air
minus-squareMasterFlamingo@lemm.eelinkfedilinkEnglisharrow-up2·8 hours agoI remember my science teacher in seventh grade singing this and just being very confused because my mother who was a nurse said it was just a dark red.
minus-squareAppoxo@lemmy.dbzer0.comlinkfedilinkarrow-up6·22 hours agoEasy to proof: Vaccumated capsule to draw blood. No contact with air and still red.
That blood is actually blue until it gets in contact with air
I remember my science teacher in seventh grade singing this and just being very confused because my mother who was a nurse said it was just a dark red.
Easy to proof: Vaccumated capsule to draw blood.
No contact with air and still red.