All in Animals

Spidergoats!

What’s stronger than steel, tougher than bulletproof Kevlar, can withstand temperatures ranging from 200 Celsius down to minus forty, can stretch up to five times its length without breaking, and is made by squeezing goop out of an arachnid’s backside? The answer is of course spider silk – one of the most remarkable substances produced by a living organism that we know of.