Meet your friendly elder-race? (science video).

The fella with his fingers on the pulse of science and futurism, Isaac Arthur, is back to take a look at that staple of science fiction, the elder race. Heck, even Stephen Hunt’s Sliding Void space opera novels has an elder race (the Heezy).

But in reality, our universe is billions of years older than our planet, we often contemplate alien civilizations that might have started earlier than us.

But how early could intelligent life have arisen? And is it likely to visit us?