1. The economics of lithium constraints (FT). Augmenting supply is tough, and projects can take from six to nineteen years to pay off.
2. Dropbox for babies? (NYT)
3. Gideon Lewis-Kraus New Yorker profile of Will MacAskill, with a cameo appearance by the MR comments section.
6. What was the relative welfare gain from tobacco? (speculative)