Hello, SFIA audio listeners. In this month's Nebula exclusive, big alien theory,

we're asking the reason alien civilizations might be rare is because most aliens are huge.

To hear it and every episode early and ad-free, plus hours of bonus content,

check out go.nebula.tv slash Isaac Arthur and use my code, Isaac Arthur.

Good afternoon, everybody, and welcome to our monthly live stream Q&A here at Science and

Futurism with Isaac Arthur, and I am the aforementioned host, Isaac Arthur, and today

we are joined by my beloved co-host, my wife, Sarah Fowler, Arthur.

Hi, Sarah, how are you doing today?

Good, thank you, husband.

We had just gotten back from a trip that basically after the last episode had premiered, we went into Michigan, and we, very long drive, because it was the fall side of Michigan, and back again, we just got in, what, at three o'clock last night?

Three in the morning.

So I hope everyone forgive me if I'm a little bit

sleepier that I'd like to be today.

It's definitely a cloudy, sleepy day.

Seven hour drive.

So as usual, we'll be taking your questions from the chat

and Sarah will be reading them off to me.

And again, as always, our moderators will take those

and post them over to horror to read,

aim for legible and compact so that we can get through those and, of course, keep them civilized

and stay away from needlessly controversial topics of the current modern day.

Or long, although we're going to make an exception and kick off with a long one that you actually

...