Scorpions go terminator mode and reinforce their weapons with metal

Researchers found that scorpions deliberately concentrate metals in their stingers and pincers to strengthen these weapons.

Electron microscopy and micro-XRF across 18 taxa revealed species-specific patterns of zinc, manganese, and iron reinforcement.

Zinc hardens stinger tips, manganese supports flexibility below, and zinc/iron fortify claw denticles.

The metal layouts match each species’ hunting and defense needs, showing a close link between composition, biomechanics, and behavior.