New research indicates that humans first developed into a distinct species about 3.3 million years ago. The scientist used a custom-designed algorithm to work this out by analysing all the data that they had accrued or had been accrued by scientists, as I understand it. The research is published in the journal Nature and Ecology and Evolution. Please click on the Link above the picture to read more.
Two useful tags. Click either to see the articles: Speciesism - 'them and us' | Cruelty - always shameful
