Endogenous retroviruses (ERVs) that first infected our ancestors hundreds of thousands of years ago, have contributed to more than 8% of the human genome. A new discovery found nineteen new pieces of non-human DNA -- left by those endogenous viruses -- lurking between our own genes, suggesting our DNA is even less human than scientists previously thought. https://www.sciencedaily.com/releases/2016/03/160322100714.htm Paper: http://www.pnas.org/content/early/2016/03/16/1602336113.full
