There
is a miles-long solitary wave trundling its way across an ocean right now. It
will travel for days on end before dissipating its
billions of joules of energy. From motes of methane pushed by distant
starlight, to words smuggled out of a silent place, our world is full of unseen
currents that carry and connect.

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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.