Special Topic How the world went from 170 million people to 7.3 billion, in one map 来自 Stephen|已发表 2016-02-01 How the world went from 170 million people to 7.3 billion, in one map
已发表 2013-12-03 God Exists, Says Math: Modal Logic and Software Prove Gödel’s Logic God Exists, Says Math: […]