《探索新境》是王一博参与的首档户外探索纪实节目。王一博跟随六位Discovery中国探索家，分别前往六个极致地理目的地，雪山、沙漠、海岛、热带雨林等，开启深入极境的户外探索之旅。在六段奇妙且刺激的旅程中，王一博与中国顶尖的生存和户外专家一道，探索极致的自然环境及户外挑战：在茂密的热带雨林中寻找珍稀的海南长臂猿，在大海夜潜拍摄璀璨的荧光珊瑚，在广袤无垠的沙漠中独自生活……节目不仅呈现了王一博探索未知自然的“新境”，还在过程中探讨年轻人关于成长的话题，展现当代年轻人不断突破、勇于探索的“心境”。
The dream of sending humans to Mars is closer than ever before. In fact, many scientists think that the first person to set foot on the Red Planet is alive today. But where should the first explorers visit when they get there? Horizon has gathered the world's leading experts on Mars and asked them: where would they go, if they got the chance - and what would they need to surviv...
It follows the turbulent and complex investigation into the killing of British tourist Lucie Blackman.
在母鲨鱼的子宫里，小鲨鱼就会猎食手eee。而人们越来越多地发现在近海海岸和广阔的海洋里，大白鲨、双髻鲨、鼬鲨等同种类和不同种类的鲨鱼之间都会以大欺小、自相残杀、相互猎食。科学家对鲨鱼的这种行为感到不解。鲨鱼同类相残的行为是自古就有的吗？这种同类相食的行为是出于鲨鱼的本性吗？
