Some remarks concerning near-zerog experiments on living systems
In the case of animal systems, gravity probably plays an important role only during early development; this has to do with the determination of embryonic polarity. At other times in the life of an animal, gravity is a hindrance. If animals are to be sent into space, it is clearly necessary to study the effect of zerog on their physiology and behaviour. This apart, there seems to be no basis for thinking that biological experiments conducted in outer space might yield interesting insights into how living systems work.
Volume 43, 2020
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