G+PinterestWhen Charles Darwin first visited the Galapagos Islands, he found a plethora of species that had evolved on a completely different path as their brethren on the continent. The iconic tortoises, marine iguanas, flightless cormorants, and equatorial penguins unique to the islands could have only existed because competition wasn’t tough enough to snuff them out before their respective populations could gain a foothold. The term for this phenomenon, coined by economist Tim Harford and referenced […]