Join Jill and Liz as they answer the questions “Why do I lift out of my seat on a roller coaster?” and “How do animals stay up when they sleep?” We also have a fact about  hippos and an amazing book recommendation you are sure to love! To submit your own question, go to KDL.org/Stump. We can’t wait to hear from you!    Regarding Roller Coasters...  https://coasterforce.com/physics/ https://physicsworld.com/a/twists-turns-thrills-and-spills-the-physics-of-rollercoasters/ https://www.teachengineering.org/lessons/view/duk_rollercoaster_music_less https://science.howstuffworks.com/engineering/structural/roller-coaster5.htm https://www.wonderopolis.org/wonder/how-do-roller-coasters-work The Thrills and Chills of Amusement Parks by Jordan D. Brown: https://kdl.bibliocommons.com/v2/record/S174C263372 Can You Feel the Force? by Richard Hammond: https://kdl.bibliocommons.com/v2/record/S174C417708  Regarding Sleep... https://www.bbcearth.com/news/the-extraordinary-ways-that-animals-sleep https://sleepopolis.com/education/sleep-habits-of-the-animal-kingdom-infographic/ https://school.eb.com/levels/high/article/Do-Animals-Dream/646172#main-ada https://youtu.be/muKuRQ8YnvE?si=PnrPSahqII06QCKR https://en.wikipedia.org/wiki/Sleep_in_animals https://en.wikipedia.org/wiki/Stay_apparatus Sleepy- Suprising ways animals snooze https://kdl.bibliocommons.com/v2/record/S174C1008378 The Magic of Sleep https://kdl.bibliocommons.com/v2/record/S174C823619 Snooze-o-rama https://kdl.bibliocommons.com/v2/record/S174C804141 https://en.wikipedia.org/wiki/Stay_apparatus https://a-z-animals.com/animals/lists/animals-that-sleep-standing-up/