How Do They Do It? S10E4 — Salad, Rope, Insulin
7.2

Salad, Rope, Insulin

7.2/10 · 11 votesSep 19, 201322 min

Ranked #7 of 11 in Season 10•−0.1 vs season avg

Discussion

How do they cultivate green salad on scorching desert plains, how do they make rigging for ships and how do they produce lifesaving insulin from bread?