本系列片向我们展示了我们的祖先智人,如何在与直立人和尼安德特人的生存竞争中取得成功的过程。在并不遥远的过去,人类的祖先是与其他原始人类物种共同生活在地球上的。本系列节目将向观众展示人类克服巨大困难,最终得以幸存的全过程。。Once crucial for survival, sugar now poses a health risk. Is there a way to satisfy our primeval craving for sweetness in a healthy, ba lanced way? "Sugar" "Royalty" "Flags" "Dogs" "The End of Oil" "Chess" "Your Skin" "Apologies" "Hurricanes" "Plastic Surgery" "Dance Crazes" "Time" "Country Music" "Fairy Tales"。