Kurtagag@lemmy.ca to Asklemmy@lemmy.mlEnglish · 8 days agoWhat was a fact taught to you in school that has been proven false during your lifetime?message-squaremessage-square222fedilinkarrow-up1167arrow-down12
arrow-up1165arrow-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 · 8 days agomessage-square222fedilink
minus-squareKacarott@aussie.zonelinkfedilinkarrow-up34arrow-down1·8 days agoThat blood is actually blue until it gets in contact with air
minus-squareMasterFlamingo@lemm.eelinkfedilinkEnglisharrow-up4·edit-26 days agoI remember my science teacher in seventh grade saying 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-up9·7 days 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 saying 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.