Reducing air pollution by changing the way we dry our laundry

Why the WHO took two years to say COVID-19 is airborne. Early in the pandemic, the WHO stated that SARS-CoV-2 was not transmitted through the air. That mistake and the prolonged process of correcting it sowed confusion and raises questions about what will happen in the next pandemic.

Tiny labmade motors could one day suck pollutants from the air and harvest precious metals

No air currents required: Ballooning spiders rely on electric fields to generate lift