There's also that time Kal-El (More like Kill-All eh? Eh? Yeah.) stopped an airplane by pushing on the nose -- why didn't he just puncture right through it, like a speargun through a baby dolphin's adorable, grinning face? Even if he matched the plane's speed, the entire weight of the plane is resting on a point the size of Superman's hand. No way that works. Well, it turns out that there's a scientific explanation for that, it's called "negative mass," and even though I may not totally get it (I'm very dumb) I think it's pretty freaking cool.
"Negative mass" is the theoretical physics version of "opposite day:" it's matter that behaves the exact opposite as how it should. Push it away from you, it flies toward you, and has negative weight -- which, though sounding pretty ridiculous, is actually mathematically sound, if hypothetical. You have to remember that there's still a lot we don't understand about the universe, and this hypothetical state of matter is how we explain some of those questions. Like why cooking shows are popular.