Opposites attract. Or is
it birds of a feather flock together? Our brains could be chaotic storms
governed by strange attractors. Or is the chaos ungoverned, and less important
than we think?
When it comes to attraction, nothing is
simple.

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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.