Big question: HOW? Most journalists in the USA receive basically zero scientific education. At university I majored in two STEM subjects but also took 10 courses in Philosophy, Art, History, Journalism, and Economics. Almost no one majoring in any of those fields except Econ took more than 2-3 STEM courses, and even then there a dedicated watered down courses to ensure those people could graduate (Algebra instead of…
I almost think it would be better if virtually everyone, even if you're not a STEM major, taking at least a course on hierarchy of evidence and how particular study designs attempt to demonstrate causation, along with some basic statistical literacy. But I was listening to a very good breakdown of the aspartame history this morning and the host was going on about criticisms of some of the early studies showing cancer in rats dealing with exactly how randomization works when you're dealing with multiple litters from the same gene line and why they usually terminate the rats early instead of waiting for natural death, and these are things you could never possibly know unless you specifically have a background in rodent studies. I was a biology major and still didn't know any of this stuff.