Russia's President Vladimir Putin made a surprise visit this weekend to the occupied Ukrainian city of Mariopole. Just a day after the International Criminal Court issued a warrant for Mr Putin's arrests for alleged war crimes, there he was driving himself around the city streets. And colonizing the moon would be an enormous undertaking, not least because the conditions on the lunar surface are so dangerous. We look at some new research that gets around all that by going underground.
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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