Top Human Quotes
Human Definition
(a.) Belonging to man or mankind; having the qualities or attributes of a man; of or pertaining to man or to the race of man; as, a human voice; human shape; human nature; human sacrifices.
(n.) A human being.
NASA astronauts have only managed to live continuously on the International Space Station (ISS) for a year and Biosphere 2 on Earth failed at two years of uninterrupted human habitation. Both cases re...
Steven Magee
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astronauts, base, biosphere, both, cases, continuously, earth, environments, extracting, failed