Sasha Pfeiffer

All right.

For our third item, something all of us hope will never be in our dreams.

And this is scorpions and their anatomical weaponry.

Tell us about this.

Oh, that is so interesting.

Metal that I guess gives them strength.

Is that the idea?

So is the idea that scientists are trying to figure out if whatever weaponry the scorpion uses, there's more metal in that part of their body?

That is so fascinating.

But I am going to ask you the applied science question.

So where do researchers want to go with this and how do they think that could inform human understanding of the world?

I'm going to say equal parts of both.

A good mixture of fear and respect.

Yes, it's always fun to do this with you.

Thank you so much.

The three men, including alleged ringleader Khalid Sheikh Mohammed, agreed to plea deals last summer.

But former Defense Secretary Lloyd Austin retracted those agreements.

The defendants appealed, arguing Austin lacked the authority to do that.

They've been fighting to reinstate their plea deals ever since.

The accused terrorists hit a setback this week.