Ten Insects That Changed the World

Did you know that the mosquito played an important role in the Louisiana Purchase? Or that dung beetles saved the cattle industry in Australia? That honeybees pollinate about one third of the food we eat? Or that the deadliest animal on earth is an insect? There's an ant colony some 3,700 miles long! Morgan's sphinx moth has a tongue more than 13 inches long. A locust plague stopped trains as the tracks became slippery with their crushed bodies. There's a grasshopper in Africa that eats mic...