According to latest "news", Columbus is a Jew. His discovery of North and South America make mankind go forward, but killed millions of natives by disease. This is perhaps side proof Columbus was a Jew :-.
Native Americans naively showed Lewis and Clark the way to the pacific - it is end.
10 years before Musk dies, I hope he take a shuttle to Mars. That would make him a historical figure.
Musk is a STEM nerd whose family owns a gold mine. So ... he can wlasy fall back to be an owner of gold mine.
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颗粒度?化学博士???