Is There One Area That's More Complicated Than Others?

One thing i've admired about your writing over the years is your ability to take complicated scientific concepts and present them in a story that's compelling. And you've covered the whole gamic karl. You've talked about complicated statistical concepts. Ah, you've cover the intricacies of ofviruses, and and a passion, as you described, of yours over the years, evolution. I'm wondering if there particular topics or areas that are that are more challenging than others for you to write about or convey.