Technology

By David Leonhardt Good morning. We look at Benjamin Franklin’s lessons about vaccine persuasion. Nearly 60 million American adults — or about one of out every four — remain unvaccinated against Covid-19. They have made an irrational choice that exposes them to severe illness. But they have also made a choice with a long historical tradition. In his State of the Union address on Tuesday, President Biden declared, “We will never give up on vaccinating more Americans.” And Biden is right that a continued vaccination campaign can do a lot of good, given that a large majority of Covid deaths and…

A Mars rover, an X-ray telescope and several low-Earth satellites are all on hold By Liz Kruesi Space exploration may seem like a faraway endeavor from Earth’s surface, but events on the ground ripple into space. The Russian war on Ukraine is no exception. From a rocket launch system to a rover set to explore Mars, a wide range of space missions is facing postponements or cancelations due to escalating tensions on the ground in the wake of Russia’s full-scale invasion into Ukraine on February 24. The European Union, United States and others have imposed sanctions on Russia; Russia, as a…