Given the size and age of the universe, it should be full of species with technology far more advanced than our own. So where are they?By Adam Kirsch. Read by James Sobol KellyRead the text version hereSupport the Guardian today: theguardian.com/longreadpodAdapted from We Want to Believe: How Aliens Went Mainstream and Why It Matters, published by Columbia Global Reports on 25 August. To support the Guardian, order your copy from guardianbookshop.com. P&P may apply Continue reading…
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