Revolution in the air: how laughing gas changed the world
The Audio Long Read - A podcast by The Guardian
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Since its discovery in the 18th century, nitrous oxide has gone from vaudeville gimmick to pioneering anaesthetic to modern party drug. By Mark Miodownik. Help support our independent journalism at <a href="https://www.theguardian.com/longreadpod">theguardian.com/longreadpod</a>
