Season 3 Episode 9: Oxygen on Mars, Bacteria and Dr. Katie Mack on the End of Everything (Astrophysically Speaking)

Send us a textHi all!What an exciting episode!Our science news item is all about the rover's success at making oxygen on Mars! How much did it make? Why is this a big deal? Listen to find out! In our Pet Science section we chat about bacteria in your house from dogs....should you worry? Our guest in the "Ask an Expert" section is the OUT OF THIS WORLD Theoretical Physicist Dr. Kate Mack. She chats with us about her book, the end of the universe and some jus...