A study led by Harvard University has provided a fresh perspective on evolutionary processes, particularly in how species intermingle and evolve. The experts have found compelling evidence that hybridization can lead to the formation of entirely new species, challenging traditional views of evolution as a neatly branching tree. Evolution of Heliconius butterflies  Revisiting a fascinating observation first made by naturalist Henry Walter Bates in 1861 and shared with Charles Darwin, the scientists examined the evolution of the Heliconius butterflies of the Amazon.  Bates famously described these butterflies...