A team of scientists at the University of California, Davis have succeeded in creating a human odorant receptor in a horse. This is the first time a human odorant receptor has been expressed in an animal other than a mouse, and opens up a world of possibilities for the study of human scent detection. The team hopes to use this breakthrough to better understand how animals, including humans, detect and respond to smells. The implications of this research could be far-reaching, potentially leading to new treatments for diseases and disorders related to the sense of smell.

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source: Phys.org