Starlet sea anemones use tiny, high-speed micromachines to launch their stinging barbs.
In the wild, the starlet sea anemone can live in salty lagoons or shallow estuaries, where freshwater rivers meet the sea. Its tubular body burrows into the mud, and a crown of
These stingers are among the fastest micromachines in nature. An anemone can jab a predator or nab some lunch in about a hundredth of a second, says Karabulut, also of the Stowers Institute. Scientists had an idea of how such stingers worked, but until now, had never gotten so up close and personal.
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