A permanent base on Mars would have a number of advantages beyond being a bonanza for planetary science and geology. If as some evidence suggests exotic micro-organisms have arisen independently of terrestrial life studying them could revolutionise biology medicine and biotechnology.
If I wasn't doing this I'd be in school studying political science or socioeconomic something. I love visiting different cultures and finding out how they make up a society.
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It turns out that understanding the British public is not rocket science. The British appreciate honesty and they also have a bonkers off-the-wall sense of humour like me.