City Smellscapes: The Surprising Chemistry Behind Urban Odors (Good and Bad!)

Every city has a different olfactory fingerprint—a mixture of aromas that define its identity and range from mild to strong. Imagine the fresh perfume of rain splashing over concrete or the mix of street food smells with pollution. Living in a city, I have grown rather conscious of these urban scentscapes and started to wonder ...
Read MoreThe Chemistry of Air: Understanding Earth’s Atmospheric Symphony

Years of study in atmospheric chemistry have shown me how the gaseous envelope of our planet preserves a delicate chemical equilibrium vital for life. By means of atmospheric sampling and analysis at various altitudes, I have seen how intricate chemical processes shape our air quality and climate. Our atmosphere’s chemistry consists in complex feedback loops ...
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