Even people with a common blood type should donate if they can, specifically because it's common (because commonness means an increased need for it, too) (M)
The idea of infinity is already pretty trippy, but what's even crazier is that there are (M)ultiple "sizes" of infinity (e.g., countable and uncountable)
It's very strange that "the birds and the bees" became a euphemism for talking about sex. (M)any birds don't even have external genitalia, and I'm probably not unique in having no idea how bees fuck
"Shoot for the moon: even if you miss, you'll end up stranded in orbit (or worse)." Some famous quotations really become downers when you pepper in some realism (M)
