It's easy to forget that almost nothing you eat was grown remotely near you and plenty of it wasn't even grown recently. And for that miracle of modern day life, we have gigantic metal plates, frozen to subzero temperatures to thank. Or at least that's how it all started.
The miracle/curse of frozen food dates back thousands of years, but it's only a (relatively) recent stroke of applied design genius that let us have it all the time, everywhere. MinuteEarth explains. Now finish your peas before you dig into that ice cream. [YouTube]