Tiny drones may help pollinate crops when dwindling honeybees aren’t enough. In a honeybee colony, normally it's the female worker bees that go out, gather pollen, and make honey. The male drones only exist to provide the queen with sperm to make more female workers. But, in response to declining honeybee populations, researchers in Japan are putting drones to work. Only these drones are the plastic, remote-controlled kind.

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