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The AMAZING Science behind the SMELL OF RAIN Explained

Petrichor: The Smell of Rain

Petrichor (pronounced pet-tri-core) is the earthy, slightly sweet scent that is produced when rain falls on dry ground. It is caused by a combination of factors, including the release of oils from plants and the production of geosmin, a chemical compound produced by bacteria.

Petrichor is a complex scent, and its exact composition varies depending on the environment. However, some of the key components of petrichor include:

Geosmin :  Geosmin is a chemical compound produced by bacteria in the soil. It has a unique, earthy smell that is often described as being similar to beets or dirt.
Phytoncides : Phytoncides are chemical compounds produced by plants. They have a variety of functions, including protecting plants from insects and diseases. Some phytoncides also have a pleasant smell, which contributes to the scent of petrichor.
Ozone : Ozone is a gas that is formed in the atmosphere when lightning strikes. It has a sharp, metallic smell that is often associated with rain.

Petrichor is a popular scent, and it is often used in perfumes and other fragrances. It is also a common ingredient in aromatherapy products, as it is believed to have a calming and relaxing effect.

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