Ruth B: Spaceship (Rocket Science with Christina Hernandez) March 2, 2022 Canadian pop star Ruth B and NASA engineer Christina Hernandez talk rocket science, space travel and life on Mars. Transmissions :: Matthew E. White Scott Hardware and Ah-Mer-Ah-Su on the Triumphs and Pitfalls of Writing About Your Own Life Please enable JavaScript to view the comments powered by Disqus.