Plot: Aliens decide to invade our planet and only Bravehart, Johnny Cash and a group of weird kids can stop them from ruining their crops. Thank god our heroes discover their only weakness… water!
The Real Science: Now, let’s take a moment and imagine you’re on a spaceship ready to invade a planet: Commander: “Do you have the planet’s readouts?” You: “Yes Sir. 70% of the planet is covered in a substance that will seriously harm and eventually kill our species. The flora, fauna and atmosphere is also composed of the same substance. I really don’t think this plan is—” Commander: “Perfect. (TURNS TO THE REST OF THE SHIP) Gentlemen! Let us not forget our proud warrior cry!” Everyone on ship: “LEEERRROOOYYY JEEENNNKKKIIIINNSSS!”