Dog Sniff Schools
Billions of dogs - unused resource -- Massively teach dogs to sniff out diseases, and substances, and improve public health :)
People keep close to a billion of dogs as pets, with phenomenal capabilities to sniff out things, including the capabilities to diagnose diseases. Could they make us more healthy by doing early diagnoses?
The idea, is that dog schools could help make our canine resources more valuable. Those schools could be as available, as traditional schools for kids.