Swim At Your Own Risk: Look Ma, No Needles!

Tuesday, August 22, 2006

Look Ma, No Needles!

The stinging cells of jellyfish could soon be used to inject drugs and even apply tattoos. Jellyfish have stinging cells called cnidocysts which shoot a tiny hollow thread, at incredibly high speed, into anything that touches a "trigger" near the cell's opening, and then pump toxin through the thread into the target.

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