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How to Stop Procrastinating, Astronauts Seeing Cosmic Rays, and What Causes That Fresh Rain Smell

Curiosity Weekly

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The Science of Petrichor: Understanding the Fresh Rain Smell

This chapter delves into the science of petrichor, the distinct scent that arises when rain meets dry ground. It examines how geosmin from soil bacteria and ozone produced by lightning contribute to this refreshing smell, signaling the arrival of storms.

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