Boing Boing 

Next up: The search for alien light pollution

Today's best telescopes could see the amount of light produced by Tokyo from as far away as the Kuiper Belt. Future telescopes may be able to hunt for alien civilizations by looking for artificial lighting. (Via Gary King)

Protecting Earth and space from people

Don't muck around in the affairs of planets that are less technologically advanced than yours. Despite how often it gets ignored, Star Trek's Prime Directive is a pretty nice attempt to take a universe brimming with life and figure out how to interact with it in an ethical way.

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