Issue 39 of the Nautilus print edition combines some of the best content from our issues on Healthy Communication and Harmony. It includes contributions from biologist Peter Ward, plant neurobiologist Stefano Mancuso, astrophysicist Sarafina El-Badry Nance, and more. This issue also features a new illustration by Zoe Keller.

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Space Colonization and the Meaning of Life
Colonizing the galaxy is the highest good humanity could achieve.
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The Surprising Importance of Stratospheric Life
The science of bacteria in the atmosphere is getting its moment in the sun.