Also, the universe is base 12. So, base 10 is the stupidest system you can use for scientific experimentation.
I'm going to have to look that up a bit more because it sounds very interesting. I work in construction in the USA so most of our measurements are "standard" and we are not going to change that anytime soon.
RE: USA extends requiring proof of vaccination to enter. One of the only countries in the world to do so