Gobekli Tepe & the Younger Dryas: why did we start farming?

Why did humans, after thousands of years of nomadic existence, hunting and gathering, decide to settle down and begin farming? This is perhaps one of, if not the, greatest question that archaeologists have been attempting to answer for the past century and a half. Going along with the development of agriculture and the Neolithic Revolution, there is another mystery. Watch the video for more!