Such as?

This clearly wasn't some kid's project and was led by the teacher to help teach them about controlling for things. They even talk about what they could control better and are doing a follow up.

This is closer to actual science than the type of meta-analysis studies that make up the bulk of science reporting now.

The results are surprising to me too, but I'm not finding any fault with the methods I saw, and I even looked up a few things I thought were suspect and discovered they were just fine (like using aluminum for a Faraday cage for example.

"Millions of variables"

I see....continue.