Friday assorted links

1. Profile of Heidi Williams.

2. NFTs and copyright law.  And Balaji on the meme economy.

3. Weak African trust in vaccines?

4. Biden administration skeptical about a carbon border tax the median voter theorem remains underrated.

5. Global twinning rates reach a peak high.

6. Can single cells learn?

7. Will Google disrupt the college degree?  Seems OK enough, but a little underwhelming to me.