41
votes
9answers
2k views

History of scientific regression

Throughout history, humans have made many subtle and many substantial scientific advancements. Humans have explored, examined, learned, applied and at times seemingly "forgotten" and/or were unable ...
24
votes
2answers
2k views

When and where did socks become common?

To be clear, I mean the socks you wear on your feet, to insulate you form your shoes/boots/other footwear. By common, I mean easily available to the masses, rather than just to the rich.