Recalculation of BioNTech SE/Pfizer Inc. mRNA vaccine after first dose shows it has 92.6% efficacy, just like Moderna 92.1% (small N); authors BC Centre for Disease Control and INSPQ make plea for deferring 2nd dose d/t short supply nejm.org/doi/full/10.10…

A single shot of the vaccine developed by Pfizer and BioNTech is 85% effective 15 to 28 days after being administered, an Israeli study found on.wsj.com/3s75aM3

Your front-row seat to my Mars landing is here. Watch how we did it. #CountdownToMars

A 25-person startup is developing technology to block the sun and turn down the planet’s thermostat. The stakes are huge — and the company and its critics say regulations need to catch up. Read more: politi.co/4iaojIc