Check this out.That's actually pretty surprising and impressive. I didn't realize that it has become possible.
http://www.nature.com/news/ancient-human-genomes-plucked-from-cave-dirt-1.21910
Ancient-human genomes plucked from cave dirt
For the first time, researchers have identified DNA of human relatives without the need to find their bones, opening new window into the past.
Nah, those were Ruskies.