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"Among bacteria’s many attributes, perhaps one of its most overlooked yet important ones is its ability to propel itself via flagellum, a unique appendage hanging off its end. This mechanism is a perfect example of a naturally occurring, biological wheel. Aside from the beautiful novelty of these images, researchers could study them to develop better motors for nano-robots, or to design better antibiotics that target the flagellum specific to a certain bacteria.[...] Now, for the first time, scientists were able to take a high resolution, 3D look at these wheels at work, using an electron microscope."
