1/ Hi, #phdchat / #phdlife.
I'd like your help, please! I want to create a list of things you were once taught at a young age that, either:
1) Are no longer accepted as true, or;
2) Were never true.
Examples follow:
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4/ "Blood in your veins is blue because it's deoxygenated." No, blood is red, oxygenated or not. (This is one of the most remarkable ones, because you'll find so many of people who heard this from elementary school teachers in relatively recent history.)
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