What's Going on With Iron in on Earth?

I was a guest on your show open invitation anytime. I would say if you can. The second you don't call, you know, right? You know, the second you need a 0.01% bump in your book sales, we are here. And he was trying to get all up in the astro-physical situation for iron and Kate, the we know in astrophysics that the buck stops at iron. When you're fusing elements, it's exothermic until iron. And afterwards, it's endothermic. So what's going on with iron that chemically in the nucleus? How does how do we get things that aren't iron as well in on earth?