uterine transplants

10. Dr. Bloom bookends our top 10. Cannabis, increasingly the drug we turn to for recreational and medicinal needs, contains two compounds with antiviral activity, CBGA and CBDA. Could taking a few tokes ward off COVID?

Cis and Trans are words I first learned in chemistry. They describe different isomers -- compounds with the same chemical formula but different structural arrangements.  Sometimes the differences are significant, sometimes not so.