
At Scientific American: The Aliens Could Be Extremely Boring
Well, we can’t be sure, can we? It’s literally a whole other worldOkay, it’s just a thought. But what if all the interesting stuff is happening in our own imaginations? Caleb Scharf is a University of Columbia astrobiologist and here is his view: There’ll be some initial oddities, some curiosities that aren’t quite the things we planned for. A dull carrier wave signal for instance. Over time more evidence will show up, until eventually it’s clear that there are lots of species out there, puttering around in their own little neighborhoods and doing nothing truly extraordinary, because those possibilities were, in the end, more the product of our lively imaginations than anything that the universe compels life towards. Of course, I’m being a little facetious, the first discovery of life of any…