A team of Japanese and Mongolian archaeologists have discovered the remains of a 13th century military outpost thought to belong to Mongolian conqueror Genghis Khan.
Genghis Khan's genetic legacy endures in the Y-chromosomes of millions of male descendants. Now, researchers have found evidence for the existence of ten other men who may have founded highly successful Y-chromosome lineages in Asia, beginning as early as 2100 B.C. Nature's Ewen Calloway has the details.
In the 1200s, Genghis Khan and the Mongolian army built an empire that stretched from the Pacific Ocean to central Europe, ruling over a fifth of all land on Earth and over 100 million people. And all that conquering reshaped the Earth, reducing carbon dioxide levels enough to offset a year's worth of gasoline usage…