It has about one-third the density and stiffness of steel; it is ductile and can be easily machined. Naturally, pure aluminum reacts readily with oxygen in air creating a thin barrier oxide layer known as the aluminum oxide next to the metal surface that is about 2-3 nanometers thick.
Orange skin resulting from excessive carrot consumption sounds like something out of a science fiction novel or a bizarre comedy. However, the fact is that yellow skin pigmentation resulting from increased beta-carotene levels in the blood is a real clinical condition called carotenemia. Though carotenemia is harmless, it's easy to confuse with jaundice in young children.
Raw Carrots and Stomach Pain. A chef peels a raw carrot. It may surprise you after eating raw carrots that you develop stomach pain, but carrots may cause pain in certain circumstances. Carrots, along with other vegetables, may be more difficult to digest for some people, leading to stomach cramps and increased gas.