National Geographic's 100 best images of the year–curated from 106 photographers, 121 stories, and more than two million photographs. Leonardo’s “Mona Lisa” is believed to depict Lisa Gherardini, the ...

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About Elanco Animal Health Inc. Elanco Animal Health, Inc. develops, manufactures, and markets products for pets and farm animals. Its products include Advantage Family, Atopica, Credelio Family, ...