A study suggests that a lava tube with a roof thickness of about 10 meters could be safely pressurized to roughly the same conditions as you would get on earth. David Martin: The benefits of living in a lava tube seem pretty clear compared to having to live on the surface. Even in the best case scenario, this is something that is decades away.
The visit of Xi Jinping, China’s president, to Moscow may seem like the solidifying of a simple, anti-Western alliance. But China is walking a delicate line to look after its own interests. A growing minority of young people simply do not want to drive; that will have consequences far beyond roadways. And research on colonising the Moon goes underground.
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