COVID-19 ad ban in Germany led to 6% reduction in grocery sales

In spring 2021, during the height of the COVID-19 pandemic, one of Germany's 16 federal states instituted an ad ban, forcing retailers to stop all print advertising in that state for three weeks. The state did so under the ...

Machine learning and better radar solve the 'cloud cover' problem

Clouds have for decades been a bugbear for remote sensing of land surface temperature—one of the most important earth system metrics, used in everything from tracking climate change to predicting wildfires. A new approach ...