Nine new breeds of carrot including a'super orange' variety have been developed by Japanese scientists. One breed, called'Amelie', has been bred to have extra carotene - the pigment that makes carrots appear bright orange. And elsewhere in Japan, scientists are developing a lettuce farm exclusively run by robots. Nine new breeds of carrot including a'super orange' variety have been developed by Japanese scientists, including'Christine' (above), which grows in the shape of a perfect cylinder and the'Reimei' (below), which thrives in the cold One breed, called'Amelie', has been bred to have extra carotene, the pigment that makes carrots appear bright orange. The new vegetable varieties were developed using selective breeding.