Dave Hone

Yeah.

Yeah.

But then when you get into intelligence is when it gets really awkward because working out exactly which bits of this are probably linked to like the main fundamental processing and what you link to actual intelligence is tough.

On top of that, we don't really know what's been the big challenge of the last couple of years.

This question was T-Rex and other dinosaurs, super intelligent of neuron density.

How many basically nerve cells can you pack in per bit or volume?

Because birds have some weird tricks, which means they get a lot more brain per volume.

And just how much of the brain case was brain and how much was like goop around it, we know varies.

So you get kind of fairly big upper and lower band.

And then the other big thing we always have to do is factor in size.

Big animals need bigger brains to operate them.

So whales have really big brains, but whales weigh tens of tons.

They're not smarter than us.

So you have the classic thing is the encephalization quotient, which is at a very simple level, it is the volume of brain scaled against the size of the animal.

So we have huge brains compared to how big we are.

So we're massively up the chart.

And then you do have a few things with worms.

I should probably stick to vertebrates.

Some stupid stuff which has a surprisingly small brain for its size.

Most things that aren't primates...