Enlarge this image Researcher Alexandra Horowitz plays with her dogs Finnegan and Upton. She studies how dog’s sense of smell influences their…
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senses
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Enlarge this image Turns out humans are better at smelling than you might think. CSA Images/ Color Printstock Col/Vetta/Getty Images hide caption…
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Enlarge this image Cornelia Li for NPR Cornelia Li for NPR Nisha Pradhan is worried. The recent college graduate just turned 21…