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WASHINGTON, Feb. 10, 2017 � Molecules known as pheromones are a potent form of chemical communication in the animal kingdom, able to convey a creature’s gender, fertility and more with scent alone. Scientists have sought to determine if humans� body odor also contains pheromones. Although our armpits do emit a few potential candidates, no clear human pheromone has yet been found. But that hasn’t stopped internet dealers from peddling fragrances they claim to be loaded with pheromones that could make users irresistible. The latest episode of Speaking of Chemistry examines the quest for human pheromones, and what’s really in those sketchy “pheromone� colognes: .

Speaking of Chemistry is a production of Chemical & Engineering News, a weekly newsmagazine of the American Chemical Öйú365betÖÐÎĹÙÍø. It’s the series that keeps you up to date with the important and fascinating chemistry shaping the world around you. Subscribe to the series at , and follow us on Twitter .

The American Chemical Öйú365betÖÐÎĹÙÍø is a nonprofit organization chartered by the U.S. Congress. With nearly 157,000 members, ACS is the world’s largest scientific society and a global leader in providing access to chemistry-related research through its multiple databases, peer-reviewed journals and scientific conferences. The American Chemical Öйú365betÖÐÎĹÙÍø does not conduct research, but publishes and publicizes peer-reviewed scientific studies. Its main offices are in Washington, D.C., and Columbus, Ohio.