Monday assorted links

1. Ross Douthat says have more kids.  And Scott Sumner random thoughts.

2. Income More Reliably Predicts Frequent Than Intense Happiness.

3. Revision of an earlier FT report: Chinese Belt and Road lending isn’t falling off by as much as reported.

4. More on battery progress.  And speculative claims about iron powder as a power source.

5. New Interintellect Salon series by Tommy Collison and David McDougall, starting on 10 January, focusing on the Great Books.

6. Wired article about fluvoxamine.

7. Greater male variability in cooperativeness.