Jennifer Day, a biologist at the University of Washington in Seattle, set out to build a machine that could stuck massive volumes of air out of shipping containers and run it through a filter that a dog could sniff.
The reason? Trained canines can sniff out minuscule amounts of ivory, rhino horn, tiger bone, and other illegal products, but getting into the back of containers subjects them to extreme heat, dangerous chemicals, and structural hazards. A sniffing machine makes it quicker and safer for the dog while subjecting them to less stress. Read the story at Popular Science.
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