S20·E143 – Mark Rober, Demi Lovato, “Science Bob” Pflugfelder
2022-07-13 • 45 min
Guest host Mark Rober welcomes an interview with and musical performance by Demi Lovato, and educator “Science Bob” Pflugfelder.
2022-07-13 • 45 min
Guest host Mark Rober welcomes an interview with and musical performance by Demi Lovato, and educator “Science Bob” Pflugfelder.
