Been all over the world, but it’s the first time that I’ve ever had an AI toilet. Does everything, opens up close by itself, heated seat wash front & back side, and it will dry you. It pulsates water and I think it does a few things the Catholic Church would not approve of. 

There's a jellyfish that can literally reverse its aging process-making it biologically immortal.

Before graphite, people in medieval Europe wrote with lead-tin styluses called plummets. They left faint marks, dirtied hands, and were poisonous. By the 1500s, they were cased in wood. Graphite replaced them once people realized they were slowly poisoning themselves !