What's your poison? Scrupulous scorpions tailor venom to target: Scorpions adapt their stinging, stingers and sting contents to minimize the costs of venom use

Replenishing venom takes time and energy -- so it pays to be stingy with stings. According to researchers scorpions adapt their bodies, their behavior and even the composition of their venom, for efficient control of prey and predators. Writing in Frontiers in Ecology and Evolution, they say it's not just the size of the stinger, but also how it's used that matters.

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