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UC San Diego Experiment Will Send 'Mini-Brains' Into Space

Dr. Alysson Muotri holding human brain organoids, "mini-brains," in this undated photo.
Erik Jepsen / UCSD
Dr. Alysson Muotri holding human brain organoids, "mini-brains," in this undated photo.
Human brains have always developed subject to earth’s gravity, but what effect does gravity have on that development? A new experiment by UC San Diego researchers will send human brain organoids, or “mini-brains,” into outer space to find out what effect weightlessness has on a growing brain.

Human brains have always developed subject to earth’s gravity, but what effect does gravity have on that development?

A new experiment by UC San Diego researchers will send human “mini brains,” or organoids, into outer space to find out what effect weightlessness has on a growing brain. In addition to discovering more about the effects of gravity, researchers hope time on the International Space Station will also reveal more about the way aging and disease affects the brain. The organoids will be sent into space on June 21, the day after the 50th anniversary of the moon landing.

The leader of the project, Dr. Alysson Muotri, professor in the UC San Diego School of Medicine Departments of Pediatrics and Cellular and Molecular Medicine, joined Midday Edition to discuss the project.