<p>&#8220;A few months ago I promised to write a series of posts documenting the world’s lost materials. I was quite excited about it; over time I was hoping to build up a catalogue of all of those substances humanity once used to mine and extract from the earth’s crust, but have now been exhausted. All [&#8230;]</p> <p>The post <a href="https://humanprogress.org/hang-on-are-there-any-lost-minerals/">Hang On, Are There Any Lost Minerals?</a> appeared first on <a href="https://humanprogress.org">Human Progress</a>.</p>