Space Mice

Scientists blocked “a pair of proteins that typically limit muscle mass” in mice, resulting in mice sent to the space station that bulked up rather than got weaker. But, as I Tweeted, “rather than try to bioengineer humans to live in zero-g, I’m on board with [Robert Zubrin’s] plan simply to use artificial g. (I think it’s ridiculous ‘we’ don’t have a spinning space station yet.)”

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