Coronavirus Daily Briefing

Mon. 12/20 - Athletes' Supercharged Blood & Pro Santas on a Boat

How an athlete’s blood could boost cognitive function, potentially in non-athletic people. Plus, the origin and meanings of the song “The Twelve Days of Christmas.” And, Christmas in July takes on a whole new meaning with cruises designed specifically for professional Santas. Sponsors: GiveWell, Have your donation matched up to $250 by entering Kottke Ride…