Homo erectus ate crunchy food Jennifer Viegas Discovery News Tuesday, 22 November 2005 Tooth marks suggest Homo erectus ate crunchy foods, like root vegetables (Image: iStockphoto) Homo erectus munched on crunchy, brittle and tough foods, while other early humans seemed to favour softer fare, according to a new analysis of teeth. All the individuals showed signs of eating a variety of foods. H. erectus lived between approximately 2 million to 400,000 years ago and is the first known primate to use significant tools and walk upright. The researchers say H. erectus is the only species they looked at that appears...