With a Sniff and a Signal, These Dogs Hunt Down Threats to Bees

Pollinators such as honeybees are critical to the ecosystem and to agriculture - responsible for pollinating about 1/3 of the nation's food crops - but they are endangered due to factors such as habitat loss and fungus that spreads more rapidly in warming temperatures. A program in Maryland is training adopted dogs to more efficiently sniff out harmful bacteria in bee hives and help preserve their populations.

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