<ul><li>Researchers discovered onion-like nanoparticles in aircraft exhaust during emission tests at Zurich Airport in Switzerland.</li><li>The nanoparticles were identified through high-resolution transmission electron microscopy and were found to have unique structures.</li><li>These onion-like particles, along with amorphous and trace amorphous particles, were volatile and likely originated from the aircraft's lubrication oil.</li><li>The discovery raises questions about their impact on atmospheric chemistry, human health, and calls for further studies to understand their effects on climate and health.</li></ul>

Scientists discover onion-like nanoparticles in aircraft exhaust

Discover more