Issue 34 of the Nautilus print edition combines some of the best content from our issues on Something Green, The Amazing Brain, and Frontiers. It includes contributions from urbanist Anthony Townsend, best-selling science-fiction writer Kim Stanley Robinson, and physicist Jeremy England, among others. This issue also features a new illustration by Myriam Wares.

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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.