Re: Isn't Water Like Zero Gravity?
- From: "John Roth" <newsgroups@xxxxxxxxxxxx>
- Date: Wed, 15 Jun 2005 05:53:53 -0600
To respond to the caption.
No, water is not like zero gravity. NASA, at least, does not think so or they would not have spent a lot of money on simulating zero gravity by having a plane go like a bat out of hell for a while and then cutting the power so the occupants float.
If all one did was float, yes, the organism might lose muscle mass and bone mass, but the same can be said for staying in bed all the time.
The best two counterexamples to this piece
of pseudo-scientific nonsense are: 1. Fish don't
lose muscle mass and bone density by being in
water full time. Neither do cetacea nor pinepedia,
nor the numerous semi-aquatic mammals we know
of.
2. Swimming is frequently regarded as the best balanced exercise one can do.
John Roth
.
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