Despite being a staple food for millions of people worldwide, the genetic secrets of the sweet potato have long remained a mystery to scientists. That is, until now. New research has revealed the complexities behind the genetic makeup of these tubers, widely considered to be a superfood for their health benefits. What science reveals about them is surprising, revealing a previously unknown evolutionary history involving a “hybrid ancestry” behind the beloved vegetables. The research, led by Professor Zhangjun Fei at the Boyce Thompson Institute, was recently published in Nature Plants. The Hybrid Ancestry of Sweet Potatoes Sweet potatoes carry six...