What's five times as strong as steel, twice as tough as Kevlar, and can be stretched over thirty percent in length without breaking?
You've probably seen cobwebs around your home and wondered where they come from...
A female wasp stings a spider in her own web, temporarily paralyzing her. Then the wasp lays an egg on the spider’s abdomen. The paralysis wears off, and the spider gets up and goes about her business as usual.