In this episode of the World’s Most Exciting Classroom we’re sailing towards Rio de Janeiro, Brazil. We’ll be joined by retired NASA astronaut Nicole Stott! She’s spent over 100 days in space on both the space shuttle and the International Space Station. Live uplink from the Oosterschelde to catch up on how life on the ship is going as they sail for Rio. Find out the results of the osmosis experiment. See the new experiment exploring capillary action. Can you guess what this week’s Curiosity of the Week is?

…and much more!