China's Tiangong space station is hosting a clutch of artificial human embryos as part of an experiment to study how human pregnancies could develop under microgravity conditions. The artificial embryos, derived from stem cells, mimic the early days of pregnancy but cannot develop into humans. Project leader Yu Leqian says the experiment marks the first on human artificial embryos in space and aims to identify factors affecting early human embryonic growth in the space environment.
Background on Artificial Embryos The artificial embryos were originally conceived as a model to study the earliest moments of development due to international rules banning research on real human embryos older than two weeks after fertilization.
Experiment Details The artificial embryos were launched to the Tiangong space station earlier this month, with a control group being examined in an Earth-based lab. The experiment was designed to last for five days, after which the samples on board the space station were frozen and will eventually be returned to Earth for analysis.
Implications for Long-Term Space Habitation The study of human reproduction in microgravity is crucial as NASA and private space companies like Elon Musk's SpaceX explore long-term bases on the moon and Mars. Previous experiments on fertility in space have yielded mixed results, with some successful mating of animals in space but others failing to produce viable offspring. This experiment could provide valuable insights into the challenges of human reproduction in space and inform strategies for supporting long-term space habitation. With the samples now on their way back to Earth for analysis, researchers hope to gain a better understanding of how microgravity affects early human embryonic growth and what this means for the future of space exploration.
Source: China just launched a bunch of fake human embryos into space on a new research mission
Domain: scientificamerican.com
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