What's the deal with controlled burns?

Starting a fire to prevent fire seems counterintuitive, but it makes a lot of sense once you understand it. But controlled burns aren't just to help prevent forest fires. They're also a vital part of keeping the local ecosystem healthy and thriving. Learn all about how controlled burns work right here, right now.

Who exactly was the first person to realize that one could pluck an unfertilized egg from beneath a hen, crack it and spill its contents into a hot pan and eat it? What was the context where the event took place? It wouldn't appear to be starvation, as one might imagine the person would have just eaten the chicken, unless of course it was a starving person with such tremendous foresight as to first test his curiosity before proceeding with the chicken slaughter.