With Aura Aero’s newly certified Integral R trainer setting the stage for a new ‘Era’ of electric regional aviation, ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Katie Okamoto Katie Okamoto is an editor focusing on sustainability. She ...

Southern Oscillation’s global reach and complex ocean–atmosphere interactions across timescales, two simple, elegant equations capture its key dynamics and defining properties.