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Wasps lay eggs using an egg laying organ called the ovipositor. Some wasps lay eggs inside figs and need to drill through the fig fruit to do so. Researchers from IISc have unearthed the mechanism that these wasps use — they have teeth like projections on the ovipositor, like a saw. And that’s not all, these teeth are coated with zinc. Insights gained from this study may help us to build tools that aid in robot assisted surgery, and novel mechanisms to bore through hard surfaces.