Why Honey Bees Are Crucial Employees at this Airport
A colony of almost 300,000 honey bees lives just south of Frankfurt Airport. By testing the quality of their honey, scientists can determine the pollution levels in that area. (02:21)
A colony of almost 300,000 honey bees lives just south of Frankfurt Airport. By testing the quality of their honey, scientists can determine the pollution levels in that area. (02:21)