Similar metal in the human body one, Vitamin B12 has cobalt in it. Absolutely wild. I guess that’s not really commonly known but it’s still worth mentioning

You’d like Marxism. The whole point is that Capitalism is our dominant ideology because it was more efficient than feudalism, but now e have the tools to build a system more efficient than capitalism and we should build that instead. Capitalism is the most efficient system we’ve built so far, but it’s very obviously not the most efficient system we can build.