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Black, purple, nubs, raw—are we even talking about the same thing?...
The universe should be regarded as a liquid 'superfluid', claim scientists seeking to discover the fundamental nature of space. Quantum mechanics is currently ...
This video How big is the Universe? is from the series Space...
Doesn't it feel like the Universe is perfectly tuned for life? Actually, it's a horrible hostile place, delivering the bare minimum for human survival....