Can Humanity Thrive Beyond the Galaxy?

In the future, human beings will surely expand into space. But given its unique risks, will humanity thrive in space environments? For example, when humans begin living and reproducing in space habitats or on other planets in the solar system, are there risks that future generations may suffer from...

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Main Authors: Sayaka WAKAYAMA, Teruhiko WAKAYAMA
Format: Article
Language:English
Published: The Society for Reproduction and Development 2024-12-01
Series:The Journal of Reproduction and Development
Subjects:
Online Access:https://www.jstage.jst.go.jp/article/jrd/71/1/71_2024-099/_pdf/-char/en
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author Sayaka WAKAYAMA
Teruhiko WAKAYAMA
author_facet Sayaka WAKAYAMA
Teruhiko WAKAYAMA
author_sort Sayaka WAKAYAMA
collection DOAJ
description In the future, human beings will surely expand into space. But given its unique risks, will humanity thrive in space environments? For example, when humans begin living and reproducing in space habitats or on other planets in the solar system, are there risks that future generations may suffer from adverse mutations induced by space radiation, or that embryos and fetuses will develop abnormally in gravitational environments that differ from that of Earth? Moreover, human expansion to other stellar systems requires that for each breed of animal, thousands of individuals must be transported to destination planets to prevent populations from experiencing inbreeding-related degeneration. In even more distant future, when humans have spread throughout the galaxy, all genetic resources on Earth, the planet where humans originated, must be permanently and safely stored— but is this even possible? Such issues with future space colonization may not be an urgent research priority, but research and technological development accompanying advancements in spaceflight will excite many people and contribute to technological improvements that can improve living standards in the present day (e.g., more effective treatments for infertility, etc.). This review will therefore focus primarily on issues related to mammalian reproduction in space environments.
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language English
publishDate 2024-12-01
publisher The Society for Reproduction and Development
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spelling doaj-art-2e2d08c04ebf48719e354bbf2f3b16fa2025-02-04T23:41:34ZengThe Society for Reproduction and DevelopmentThe Journal of Reproduction and Development0916-88181348-44002024-12-01711101610.1262/jrd.2024-099jrdCan Humanity Thrive Beyond the Galaxy?Sayaka WAKAYAMA0Teruhiko WAKAYAMA1Advanced Biotechnology Center, University of Yamanashi, Yamanashi 400-8510, JapanAdvanced Biotechnology Center, University of Yamanashi, Yamanashi 400-8510, JapanIn the future, human beings will surely expand into space. But given its unique risks, will humanity thrive in space environments? For example, when humans begin living and reproducing in space habitats or on other planets in the solar system, are there risks that future generations may suffer from adverse mutations induced by space radiation, or that embryos and fetuses will develop abnormally in gravitational environments that differ from that of Earth? Moreover, human expansion to other stellar systems requires that for each breed of animal, thousands of individuals must be transported to destination planets to prevent populations from experiencing inbreeding-related degeneration. In even more distant future, when humans have spread throughout the galaxy, all genetic resources on Earth, the planet where humans originated, must be permanently and safely stored— but is this even possible? Such issues with future space colonization may not be an urgent research priority, but research and technological development accompanying advancements in spaceflight will excite many people and contribute to technological improvements that can improve living standards in the present day (e.g., more effective treatments for infertility, etc.). This review will therefore focus primarily on issues related to mammalian reproduction in space environments.https://www.jstage.jst.go.jp/article/jrd/71/1/71_2024-099/_pdf/-char/enfreeze-drygalaxygenetic resourcesinternational space stationpreservation
spellingShingle Sayaka WAKAYAMA
Teruhiko WAKAYAMA
Can Humanity Thrive Beyond the Galaxy?
The Journal of Reproduction and Development
freeze-dry
galaxy
genetic resources
international space station
preservation
title Can Humanity Thrive Beyond the Galaxy?
title_full Can Humanity Thrive Beyond the Galaxy?
title_fullStr Can Humanity Thrive Beyond the Galaxy?
title_full_unstemmed Can Humanity Thrive Beyond the Galaxy?
title_short Can Humanity Thrive Beyond the Galaxy?
title_sort can humanity thrive beyond the galaxy
topic freeze-dry
galaxy
genetic resources
international space station
preservation
url https://www.jstage.jst.go.jp/article/jrd/71/1/71_2024-099/_pdf/-char/en
work_keys_str_mv AT sayakawakayama canhumanitythrivebeyondthegalaxy
AT teruhikowakayama canhumanitythrivebeyondthegalaxy