What is chemistry? Neil deGrasse Tyson and comedian Chuck Nice take fan questions on exothermic reactions, PFAS, ice cream, sugar, fire, and more with Kate Biberdorf, aka Kate the Chemist.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here:
https://startalkmedia.com/show/the-magic-of-chemistry-with-kate-the-chemist/

Thanks to our Patrons Mark Baum, Ezequiel Adatto, James Wright, Vector169, Ray Rimes, Christopher Haws, Ruben Ramen, Kim Fletter, Daniel Brown, and Joy Pinero-Deniz for supporting us this week.

Can MDMA make you a better person? Neil deGrasse Tyson and co-hosts Chuck Nice and Gary O’Reilly learn about the neuroscience of empathy, psychopathy, and MDMA in the brain with neuroscientist Ben Rein, PhD.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here:
https://startalkmedia.com/show/the-science-of-mdma-with-ben-rein/

Thanks to our Patrons Jason Hostens, John Lewis, Maria Dorman, Alejandro Reynoso, Radiel Cardentey, Amir Littman, Allan Rayer, Whitney, Tom Stidham, and Christopher Becks for supporting us this week.

Is gravity fundamental to the universe? Neil deGrasse Tyson and Chuck Nice explore quantum physics, the fourth dimension, whether H2O is water, and the many-worlds interpretation with theoretical cosmologist Janna Levin, PhD.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here:
https://startalkmedia.com/show/cosmic-queries-bits-of-spacetime-with-janna-levin/

Thanks to our Patrons Mikal Krane, Tramond Spencer, John R, Laura Morrison, Javier Mejia, Emilio Campín Ramírez de Arellano, Jeff Gauthier, Tom Jones, and Jaired H for supporting us this week.