Hoteliers hope that whiffs of these scents will make you link their property with positive memories and emotions, as well as establish and market their brand.

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"Driving through the streets, smelling all the scents, I smell some familiar scents that I can make out and some that are absolutely new to me, " Babar said.

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The researchers plan to make their radar available as a product which they believe perfumers can use to save time and money developing new scents.

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