The GoPro Fetch can fit dogs as small as 15 pounds and as large as 120 pounds. GoPro hide caption

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GoPro

New GoPro Camera Harness Captures Dog's-Eye View

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Dogs throughout Latin America carry the Chagas parasite — and boost the risk of people catching it. And it's not just shelter dogs, like these in Mexico, who are at risk. Even family dogs get the deadly disease. Jose Luis Gonzalez /Reuters/Landov hide caption

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Jose Luis Gonzalez /Reuters/Landov

In June, the 167th Patrol Dog Class graduated from their canine narcotics and electronic media detection training, held by the Connecticut State Police Canine Unit. At far left is Thoreau, who now helps police in Rhode Island find computer hard drives. Daniel Owen/Courtesy of The Hartford Courant hide caption

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Daniel Owen/Courtesy of The Hartford Courant

A fish that knows the way to go: the Chinook salmon, which appears to use the Earth's magnetic field to navigate ocean waters and rivers. Jeff T. Green/Getty Images hide caption

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Jeff T. Green/Getty Images

The sexually transmitted cancer is common in street dogs around the world. Noel Celis/AFP/Getty Images hide caption

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Noel Celis/AFP/Getty Images