Making engineered cells dance to ultrasound

Let's say you needed to move an individual cell from one place to another. How would you do it? Maybe some special tweezers? A really tiny shovel?

Single gene causes stinging cell to lose its sting

When scientists disabled a single regulatory gene in a species of sea anemone, a stinging cell that shoots a venomous miniature harpoon for hunting and self-defense shifted to shoot a sticky thread that entangles prey instead, ...

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