“The USDA says “iridescent beef” is perfectly okay. People are like moths to the flames that are rainbows. The next time there’s a rainbow outside, notice how many people drop everything, even important things, to Instagram it. It would be a perfect time for aliens to take over Earth.”

Read More: http://www.theatlantic.com/health/archive/2013/02/what-causes-beef-rainbows/273534/