Above: A Von Karman vortex street downwind of the Canary Island chain in the eastern Atlantic Ocean off the coast of Africa on Feb. 27, 2015. Image credit: NASA Worldview. Editor's note: Meteorologist ...

I cover home, kitchen, pets and gifts for Forbes Vetted. Based on extensive testing of top HEPA models, BlueAir, Levoit and AirDoctor made our list of the best air purifiers in 2026.

In America, U.S.A., Princeton historian Eddie Glaude Jr. looks at the country through the lens of its previous anniversaries and centennials. "The divided soul of the nation is in full view," he says.