S01E08 - What is Asia?

What is Asia? No, really, have you ever thought about it? It’s a continent right? But, I mean, is it? Where is the clear physical border between Europe and Asia? The answer of course, is, there is none - it’s really one big continent that is Eurasia. So back to the original question: what is Asia? Where did this divide come from, and what does it mean for us today?