Babbage: Life on Mars?

<p>Three nations set out on separate missions to shed light on a question that astronomers have been asking for centuries—<a href="https://www.economist.com/science-and-technology/2020/07/21/is-there-life-on-mars?utm_campaign=babbage&amp;utm_medium=podcast&amp;utm_source=third-party-host&amp;utm_content=show-notes" rel="noopener noreferrer" target="_blank">is there life on Mars</a>? Alok Jha asks leading scientists about how their missions will search for signs of life on the red planet. And, why those investigating it should avoid irreversible damage to a <a href="https://www.economist.com/leaders/2020/07/23/mars-may-be-a-pristine-ecosystem?utm_campaign=babbage&amp;utm_medium=podcast&amp;utm_source=third-party-host&amp;utm_content=show-notes" rel="noopener noreferrer" target="_blank">potentially pristine ecosystem</a>.</p><p><br></p><p>Please subscribe to <em>The Economist</em> for full access to print, digital and audio editions:</p><p><a href="http://www.economist.com/podcastoffer" rel="noopener noreferrer" target="_blank">www.economist.com/podcastoffer</a></p> &#10;&nbsp;<br /><hr><p style='color: grey; font - size: 0.75em; '>See <a style='color: grey; ' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for privacy and opt-out information.</p>