Tuesday assorted links
1.Cultural tightness as a predictor of Covid-19 outcomes?
2. Advice for ambitious teenagers.
3. New look at the Drake Equation: 26 intelligent, communicating civilizations in our galaxy? Speculative, if anything ever was.
4. Ninja bombs? And Ross Douthat on police reform (NYT). And confessions of a former cop. Think of the latter as an attempt to model the behavior of the police.
5. Mondegreen.