20% of Human DNA Found to Come From Unknown Origin

I was reading about this yesterday and instantly was thinking about the theories that someone or something intervened in our development as a human race. Great Short Video of the discussion from PBS Nova https://youtube.com/shorts/kJ6B4bkw0n4 Full Interview: https://www.pbs.org/video/interview-hobbits-neanderthals-and-dragon-man-with-ella-al-shamahi-dtvnk8/ TLDR: Studies from University of Berkeley and Cambridge have two different methods of detecting ghost DNA in our genome. Both studies hav...