Instead, almost all modern humans "have this incredibly complex history of mixing and mating and migration." "We can falsify this notion that anyone is pure," says population geneticist Lynn Jorde of the University of Utah in Salt Lake City.
Only a handful of groups today, such as Australian Aborigines, have deep bloodlines untainted by mixing with immigrants. Few of us are actually the direct descendants of the ancient skeletons found in our backyards or historic homelands. Using revolutionary new methods to analyze DNA and the isotopes found in bones and teeth, scientists are exposing the tangled roots of peoples around the world, as varied as Germans, ancient Philistines, and Kashmiris. Those migrants swept across Europe, mingled with previous immigrants, and then remixed to create the peoples of today. New studies show that almost all indigenous Europeans descend from at least three major migrations in the past 15,000 years, including two from the Middle East. They-and all other Europeans-are already a mishmash, the children of repeated ancient migrations, according to scientists who study ancient human origins. In fact, the German people have no unique genetic heritage to protect.
Most villagers swung into action, in keeping with Germany's strong Willkommenskultur, or "welcome culture." But one self-described neo-Nazi on the district council told The New York Times that by allowing the influx, the German people faced "the destruction of our genetic heritage" and risked becoming "a gray mishmash." The village of Sumte, population 102, had to take in 750 asylum seekers.
When the first busloads of migrants from Syria and Iraq rolled into Germany 2 years ago, some small towns were overwhelmed.
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