Science
These vegetarian ants have steak knives for teeth, new study finds – Livescience.com
Teeth are laced with zinc.

A leafcutter ant (Atta cephalotes) uses its metal-laced mandibles to cut through a leaf. (Image credit: Vaclav Sebek/Shutterstock)
What do leafcutter ants
and scores of middle-school students have in common? A mouth full of metal-laced teeth.
Tiny arthropods…
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