You Are An Upside-Down Lobster

Here's why you aren't built like a lobster. Subscribe to It's Okay To Be Smart: ↓ More info and sources below ↓ Follow on Twitter: Follow on Tumblr: Our bodies are mirror images of lobsters and other arthropods from back to belly. We've know since the early 19th century that our guts and nervous systems are inverted from theirs, but only recently has molecular biology shown us why. Here's the evolutionary tale about a