Engineers tell us flow describes how fluids or
gases behave in relationship to their environment. Flow can be smooth or
turbulent. But when it’s turbulent, scientists are baffled about what in the
world’s going on. Then again, flow can be a transcendent feeling. It can lift
you out of time, make you feel one with the universe.

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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.