What is it like to be a dog, a shark or a bird This question is now getting serious attention from scientists who study animal senses. Humans rely on smell, sight, taste, touch and sound; other animals have super-powered versions of these senses, and a few have extra senses we don't have at all. From a dog that seems to use smell to tell time to a dolphin that can "see" with i...
每一天有超过十万架航班在全球飞行，运送超过百万旅客和货物，构成巨大的空中之城。这一切都需要一个巨大又复杂的全球物流网络的支撑。主持人 Dallas Campbell和Hannah Fry将走访世界上最大、最繁忙、最寒冷和最遥远的机场，探寻确保空中航运及物流正常运行的秘密。
Chris Bavin, a greengrocer by trade and "carnivore" by nature, investigates if we can, and should, keep meat in our diet and stay healthy.
