1. More.  Please forgive the source and the pop-ups.

2. Those new service sector jobs: the rising number of dog lawyers in Canada.

3. The decentralized origin of standard weights.

4. The longer-term economic consequences of pandemics, over 220 years.

5. Why Africa's island states are generally freer (The Economist).

6. Transient pacemaker that dissolves harmlessly in your body.  And another step toward a pancoronavirus vaccine.

7. New Joe Lonsdale AmericanOptimist podcast.