Learn about how research into senescent cells and senolytic drugs could change aging. Plus: the Milky Way’s broken arm. Additional resources from Andrew Steele: Pick up "Ageless: The New Science of Getting Older Without Getting Old" at your local bookstore: https://www.indiebound.org/book/9780385544924  Website: https://andrewsteele.co.uk/  Follow @statto on Twitter https://twitter.com/statto  YouTube: https://www.youtube.com/DrAndrewSteele  The Milky Way has a 3,000-light-year-long "break" in its arm, and we don’t know why by Briana Brownell  Specktor, B. (2021, August 19). Milky Way has a 3,000-light-year-long splinter in its arm, and astronomers don’t know why. Livescience.com; Live Science. https://www.livescience.com/milky-way-sagittarius-arm-break  Astronomers Find a “Break” in One of the Milky Way’s Spiral Arms. (2018). NASA. https://www.nasa.gov/feature/jpl/astronomers-find-a-break-in-one-of-the-milky-way-s-spiral-arms  The Milky Way Galaxy | NASA Solar System Exploration. (2017). NASA Solar System Exploration. https://solarsystem.nasa.gov/resources/285/the-milky-way-galaxy/  ‌Kuhn, M. A., Benjamin, R. A., Zucker, C., Krone-Martins, A., de Souza, R. S., Castro-Ginard, A., Ishida, E. E. O., Povich, M. S., & Hillenbrand, L. A. (2021). A high pitch angle structure in the Sagittarius Arm. Astronomy & Astrophysics, 651, L10. https://doi.org/10.1051/0004-6361/202141198  Follow Curiosity Daily on your favorite podcast app to learn something new every day withCody Gough andAshley Hamer. Still curious? Get exclusive science shows, nature documentaries, and more real-life entertainment on discovery+! Go to https://discoveryplus.com/curiosity to start your 7-day free trial. discovery+ is currently only available for US subscribers. See omnystudio.com/listener for privacy information.