Why's it always gotta be about poo?

After the outrageous popularity of a previous post here about a whale shark dookie so big you could see it from an aeroplane, now this YouTube video of a white shark telling some cage divers exactly what he thinks of their taste in SCUBA fashions:

At the risk of being labeled “Dr Shark Poo”,  I have a few quotes in this article discussing exactly what’s going on here.  In short, why is the poop yellow? (digestive and blood pigments) why are the fish eating it? (nom nom nom) and why study shark poo anyway? (a figurative treasure trove of physiological data). Roll over there and check out the rest of the article.