Assorted links by Tyler Cowen March 23, 2021 at 7:10 pm 1. First NFT digital house sells for over 500k. 2. Vitamin D not effective for whites, some Covid effectiveness for blacks with low vitamin D levels. 3. Vitalik on legitimacy. 4. Are the Japanese more risk-averse in their baseball decisions? 5. I am giving a Fairfax County Library Zoom talk tomorrow night at seven p.m. — I benefit so much from them!