Bees' ability to forage decreases as air pollution increases

Air pollutants interact with and break down plant-emitted scent molecules, which insect pollinators use to locate needed food, according to a team of researchers led by Penn State. The pollution-modified plant odors can ...

As temperatures rise, flowers emit reduced scent

The diverse and delicious fragrances of flowers brighten our days and inspire poetry. The more practical reason that flowers produce scent is to attract pollinating insects to the flowers' reproductive organs, thereby ensuring ...

Orchid's scent stronger in Swiss lowlands than mountains

Pollinators select orchids with stronger scents in the Swiss lowlands, than in the mountains, according to a study published Feb. 17, 2016 in the open-access journal PLOS ONE by Karin Gross at the University of Zurich, Switzerland ...

Toward longer-lasting fragrances

Fragrances can be powerful. They can sooth or revitalize, evoke the forest or sea, and remind us of the past. To capture them, manufacturers infuse scents into products from toilet bowl cleaners to luxury perfumes. But once ...

Forensic odorology scientifically validated

Odorology is a technique that uses specially-trained dogs to identify human scent. It is used in police investigations to establish that an individual has been at the scene of a crime. However, there is no international norm ...

Researchers discover how petunias know when to smell good

Good timing is a matter of skill. You would certainly dress up for an afternoon business meeting, but not an evening session of binge-watching Netflix. If you were just a few hours off in your wardrobe timing, your spouse ...

Boy or girl? Lemur scents have the answer

Dozens of pregnancy myths claim to predict whether a mom-to-be is carrying a boy or a girl. Some say you can tell by the shape of a woman's bump, or whether she craves salty or sweet.

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