Can dogs truly understand what we are saying? A new study provides intriguing results. A British man runs the continent of Africa, and a new star will briefly be seen in the night skies. Plus, on this day in History, we look at the first modern submarine. Dogs Language Comprehension (CNN) (Current Biology) Africa Run (BBC) New (Temporary) Star (Gizmodo) (Astronomy.com) Modern Submarine History (Library of Congress) (Library of Congress - Turtle) (Britannica) Contact the show - coolstuffcommute@gmail.com