Sally, a Labrador retriever, sniffs sock samples and then pauses on the sample worn by a child with malaria. (Durham University/Medical Detection Dogs/London School of Hygiene & Tropical Medicine)
Video Duration:
45 sec
YouTube Keywords:
"Smithsonian Magazine" "History and Archaeology" "People and Places" "Science and Nature" "Arts and Culture" Travel Smithsonian "Smithsonian Institution"