1.
Springfield's periodic table is literally out of this world.
2.
Skinner has superhuman powers.
4.
Bart and Homer can survive the vacuum of space.
5.
Bart is able to bypass Newton's Third Law.
6.
Springfield's water always drains counterclockwise.
8.
In Springfield, dinosaurs existed earlier than we think they did.
9.
Americans use the metric system like it's a totally normal thing.