This is the warning label for radiation that we’re all used to:

Apparently, people didn’t "get" what this meant, so the International Atomic Energy Agency has just announced and released a new universal symbol:

For those of you didn’t understand the old universal symbol, let me translate the new one, just so we’re all the same page:

WARNING!  A SHIP’S PROPELLER IS SHOOTING DEATH RAYS AT PIRATES AND MARATHON RUNNERS!  MOVE TO YOUR RIGHT!

This has been a public service announcement from The Seventh Sense.  You may now return to your relatively radiation-free lives.