Astronomical food

Published: Oct. 30, 2019, 6 p.m.

Should we farm on Mars? Will humans need to expand to other planets to keep up with demand for agriculture? American aerospace engineer and President of the Mars Society, Robert Zubrin, is researching the possibilities. Robert joins host Chris Russell to discuss how humans might grow food on Mars, attempts to simulate Mars-like conditions on Earth and how accurate the film The Martian really is. See omnystudio.com/listener for privacy information.