Looking for life? Look for pollution.
Four-thousand years on Earth and we've a lot of dirt to show for it. Why would an advanced alien civilization be any different? That's the motivation that three astrophysicists from Harvard U…
Harvard-Smithsonian Center for Astrophysics
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Our universe, the poor man's accelerator
That cosmic inflation may have happened at a higher-than-anticipated energy means physicists have access to the young universe through astronomical data.…