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EFF's guide to using cell phones in a protest zone -- or potentially tense interaction with police
Redefining the habitable zone: where should we look for life? #SETI
With 3 earth+ mass planets in the habitable zone of this small star, 1+ may be habitable: 22 l.years away.
A record-breaking three #exoplanets in habitable zone of nearby star! Gliese 667c reexamined:
We are in a race to cross a dangerous zone, between where we are and where our grandchildren may be.
A TV network posted me getting all big-picture on our race to cross a danger zone to the future.
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