Irish farmer Micheál Boyle was digging a drain in a bog on his property when he noticed something that "didn't look natural" in the peat. When he pulled it out, he caught the scent of butter ...

Is there an upper limit to how long you can leave butter out on the side? And if so, what is it? Part of it has to do with storage. On one, more extreme end, bog butter ― butter buried under a ...