One of the four moves is to "investigate the source". The following video will introduce you to this move. As you'll see, we're not expecting people to do ground-breaking research, just to do some very quick checks.

https://www.youtube.com/watch?v=wSxa1saR_Yk

Next up: Just add Wikipedia

All Lesson Two Pages

Just add Wikipedia

Volcano plane (example)

Volcano plane (example answer)

Pediatrics (exercise 1)

Veggie Burger Chemicals (exercise 2)

Expertise and reputation

Warming claims (exercise 3)