Out of the thirty thousand types of edible plants thought to exist on Earth, just eleven—corn, rice, wheat, potatoes, cassava, sorghum, millet, beans, barley, rye, and oats—account for 93 percent of all that humans eat, and every one of them was first cultivated by our Neolithic ancestors. Help us to share this great article. Your friends will appreciate it! 0shares Facebook0 Twitter0 Pinterest0 LinkedIn0 Flipboard Tumblr0 Mix