Scientifically Questionable Moments from the 1995 Oscar Winner for Best Picture, "Waterworld"

For those unfortunate souls who don't know, "Waterworld" is a movie that takes place like thousands of years after the polar ice caps have melted, covering 99.9% of the earth in water. People now live in boats and dry land is considered a myth. Kevin Costner plays a mermaid. It's so wild. But it is not the most scientifically accurate film.
  1. 1.
    Kevin Costner invents a pump-operated machine on his boat that converts his pee into drinkable water. Which he then proceeds to drink.
    Uh huh.
  2. 2.
    Kevin Costner has gills. Fine. Whatever. It's been thousands of years and some humans have evolved. But THEN, Kevin and his human lady friend get attacked by bad guys, and they have to jump in the water, and Kevin proceeds to "breath for both of them" by making out underwater and basically blowing into her mouth.
    Not quite sure how gills work, but I'm pretty sure you can't output oxygen Kevin. You're not Jesus.
  3. 3.
    In another scene, Kevin takes his lady friend down to the ocean floor to show her the ruins of an old city. He does this by putting this big huge helmet thing on her that holds a bubble of air, and then pulling her down. To the bottom of the ocean.
    Not on my watch, Kevin. I've seen The Abyss, I know how pressure works. Also she would be breathing her own CO2 in like 30 seconds YOU GONNA MAKE OUT WITH HER UNDERWATER TO SAVE HER AGAIN KEVIN? Not on my damn watch.
  4. 4.
    I'm assuming it's been tens of thousands of years since the earth flooded because there are humans who have EVOLVED TO HAVE GILLS, yet at one point someone pulls out a really old copy of National Geographic and says it's a rare relic from the old world.
    OH I'M SORRY, I MUST HAVE MISSED THE PART WHERE NAT GEO TOTALLY SAW THE END OF THE WORLD COMING AND DECIDED TO COAT THEIR MAGAZINES IN AN INDESTRUCTIBLE LAMINATE AS A PRECAUTION, ALLOWING THEM TO RETAIN A RELATIVELY STURDY YET FLEXIBLE BINDING AFTER SPENDING THOUSANDS OF YEARS UNDER THE DAMN OCEAN. KEVIN.
  5. 5.
    Other than that it's the perfect movie.