Why Massive Saharan Dust Plumes Are Blowing Into the US
Every summer, an atmospheric event propels desert dust thousands of miles across the Atlantic. This year is particularly bad, and timed terribly with Covid-19. https://bit.ly/2NGjCbX
For the first time, a commercial craft will bring a crew of civilians to the space station. It’s a harbinger of space tourism’s future—and its inequities. https://bit.ly/3jf25HC