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  1. A

    INS and DoS

    Hello, I'm not sure whether to post this here or in the politics and world affairs sub-forum, just a small question: is Immigration and Naturalization Service a part of Department of State in USA, or are they entirely different institutions? Thanks
  2. A

    Chromosome & DNA

    I've stumbled upon an interesting short article It's about the possible danger of Y-chromosome in men loosing its genes throughout the evolution, because it is unpaired (the X-chromosomes are always paired and thus can correct...