I always found it hard to imagine that it Ancient Babylon, they had a base 60 number system. They think in units of 60 instead of 10? REALLY?
I also found it troubling that the sun would become a huge red giant and engulf the earth before dying off into a sad little blue dwarf star. So like I have 7 billion years left on this earth and really, I have barely gotten through one season of Thrones.
There are tiny little bugs living in our eye lashes. And they are called follicle mites.
Finally, there are a lot of weird fucking sharks in this world. I find this highly troubling except for the Megaladon. That shark kicks ass.