User blog comment:Masseffect7/Mass Effect 4 - No Connection to Shepard/@comment-1786741-20131020213539/@comment-1786741-20131101211041

Hive mind not be the correct word, but there's definitely something else going on with the mind thing. As for the science thing... again, I don't see a single explanation that could logically explain it without it coming across as "space magic".