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.nebola.tv slash Isaac Arthur and use my code, Isaac Arthur.

Good afternoon, everyone, and welcome to our live stream Q&A here on SFIA.

And as usual, we're joined today by my co-host and lovely wife, Sarah Falter, who will be reading

your questions off as you get them into the chat, where our mods will find them, and put them in.

If you want to increase the odds that your chat is going to get answered, try to put it

into a reasonably concise and grammatically correct version when you put it up there in the

chat window.

So with no further ado, let's go ahead and get started.

Well, we've got some great questions today, and I just finished our snack because, of course,

we have to eat beforehand. So we have Sinji and Maya Skill helping us.

And the first question is from the Wise Ninja.

And he wants to know, what is today's topic?

Today's topic.

I mean, I guess today's topic, you know, I got one up on the screen that was just popping up.

Today's topic is the live stream.

This is some point a week's topic. Let's see, was just popping in them. Today's topic is the live stream.

Now this upcoming week's topic, let's see, we just had the episode.

What was this week's episode?

You know, I write them months in advance and I turn them into videos weeks early and then

...