Generally we go to 825.

tonight my goal is to get us out a little bit before that at 815. Why am I doing this?

Well, because tonight is one of the two nights this summer of Manhattan Henge.

You know what that is?

Some of you do, some of you don't. Do you know what that is?

Some of you do, some of you don't.

This is an extraordinarily hippie thing for me to be doing by the way.

I might as well be showing you a documentary, I'm burning man. But Manhattan Henge for I grew up here so I've actually

known about this phenomenon before it was actually given the name Manhattan Hange by the astrophysicist Neil degrass Tyson.

But what it is is a few times every year, twice generally, the sun sets in such a way that the light perfectly aligns with the

grid of streets.

And for those of you that would like to catch it, it won't be coming again until next May.

So tonight it will be on at 8.30.

All right, so human beings are very complex, aren't we?

Why is that?

Well, the human brain that supports consciousness and the mind is made up of many parts and those parts are all

trying to seek different or establish different needs to keep us going as ongoing entities.

The brainstem and hindbrain, which are the oldest parts of the brain maintain homestasis.

In other words, they keep you breathing, thermally regulated, they help you digest.

They're what is your core movements getting,

standing up and sitting in chairs, etc.

So that's the oldest part of the brain and it controls breath and the breath in

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