any scientist could have told you

The video effectively explains a complex scientific phenomenon (algae blooms and reflection) using relatable analogies and historical context, making it engaging and informative for a broad audience.

The video explains why the Lincoln Memorial Reflecting Pool turned green, attributing it to algae blooms caused by untreated river water and a recent heatwave. It also touches on the science of reflection and how the pool's original construction and subsequent painting attempts contributed to the issue.