Biosphere 2 – via Business Insider

http://www.businessinsider.com/mars-colonization-human-survival-radiation-food-biosphere-2018-4

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Are We Living in a Computer Simulation? – Scientific American

Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives. — Read on http://www.scientificamerican.com/article/are-we-living-in-a-computer-simulation/