JG: And lastly, here's Destin, from "Smarter Every Day," talking about the conservation of angular momentum, and, since it's YouTube, cats:  Hey, it's me, Destin. Welcome back to "Smarter Every Day."
JG : Finalement, voici Destin, de « Smarter Every Day », parlant de la conservation du moment angulaire et, c'est YouTube, de chats :  Salit, c'est Destin dans « Smarter Every Day ».