Tuesday assorted links by Tyler Cowen December 29, 2020 at 12:14 pm 1. Why companies are not interested in single dose trials (NB: there is a more radical approach available here). 2. By Feb.1, 90% of all UK cases will be of the more infectious strain. But not yet significant in the United States. And stability in Denmark continues. And a good overview thread. 3. The excellent Dana Gioia on Ray Bradbury. 4. Japan is building wooden satellites to cut space junk. 5. Bad news from South Africa about the new Covid strain. 6. A new population of blue whales is discovered (NYT). 7. Some drone deregulation has arrived.