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国家地理

  • 国家地理 伊朗的波斯游牧民为什么逐渐消失(2) In the distance a thunderstorm was brewing as one couple huddled in their tent. Dark clouds drifted over the valley, pouring out gray stripes of rain. Bibi Naz Ghanbari, 73, and her husband, Nejat, had set up their black tent in the same place where
  • 国家地理 伊朗的波斯游牧民为什么逐渐消失(3) As the number of nomads has fallen, the strongest advocates of settling down have been the nomadic women. Their lives are tough, and they know it. Zahra Amiri, 61 and the mother of nine, wakes up at dawn and brings water from a well, a long walk. Aft
  • 国家地理 伊朗的波斯游牧民为什么逐渐消失(4) The hard work, the lack of rights, and the knowledge that other Iranian women have easier lives have made many nomadic women agents of change. Mahnaz Gheybpour, 41, moved out of tents a decade ago. She and her husband migrate between two modest house
  • 国家地理 伊朗的波斯游牧民为什么逐渐消失(5) On the edge of Lali town, a place where many former Bakhtiari nomads end up in simple dwellings, Mehdi Ghafari and his friend Aidi Shams shared a water pipe. The sun was setting as they reminisced about their past as nomads. Their wives are happier n
  • 国家地理 追逐抹香鲸的水下摄影师(1) For underwater photographer Brian Skerry, there are good days. The sun shines, the water's clear, the surface is calm, the whales come, and Skerry can slip into the ocean fast enough to photograph them as his mask stays unfogged and his camera doesn'
  • 国家地理 追逐抹香鲸的水下摄影师(2) Skerry captures images that are unique, memorable, and award winning -- but he has a higher ambition. As a photojournalist first and foremost, I work with researchers and provide them with photographs that are useful in their study of ocean flora and
  • 国家地理 追逐抹香鲸的水下摄影师(3) Scientists know sperm whales as the ocean's largest toothed predators. They have the biggest brains of any known animal, can weigh up to 45 tons, and have been observed displaying humanlike qualities, such as curiosity and playfulness. But despite th
  • 国家地理 追逐抹香鲸的水下摄影师(3) Scientists know sperm whales as the ocean's largest toothed predators. They have the biggest brains of any known animal, can weigh up to 45 tons, and have been observed displaying humanlike qualities, such as curiosity and playfulness. But despite th
  • 国家地理 追逐抹香鲸的水下摄影师(4) In Dominica, Skerry followed a research team led by Shane Gero, a biologist at Denmark's Aarhus University and founder of the Dominica Sperm Whale Project. Each year Gero's team tracks families of Caribbean sperm whales to try to decode their communi
  • 国家地理 露丝·梅泽尔拯救生态系统的秘密武器 Ruth Metzel may have figured out a way to save a critically endangered ecosystem: build relationships with the people who live there. For a decade the ecologist has studied tropical dry forests in Panama's rural Los Santos Province. There, intensive
  • 国家地理 你的医疗未来(1) I would never have met Harriett were it not for our mutual friend, Linda. I'm a physician in Northern California; Harriett's a communications executive in New York City. Linda co-founded an online personal genomics company, to which Harriett and I ea
  • 国家地理 你的医疗未来(2) Since then, we've seen an explosion of tech-driven gains and innovations that have the potential to reshape many aspects of health and medicine. All around us, technologies from artificial intelligence (AI) to personal genomics and robotics are advan
  • 国家地理 你的医疗未来(3) In the old model of medicine, patients' health data was collected only intermittently, primarily in clinic visits, 在旧有的医学模式中,患者的健康数据主要是在看医生的时候才断断续续地记录下来, and scattered among
  • 国家地理 你的医疗未来(4) Flexible, electronic medical tattoos and stick-on sensors can take an electrocardiogram, 弹性电子医学纹身和黏贴式传感器可以记录心电图、 measure respiratory rate, check blood sugar, and transmit results seamlessly via Bluetooth.
  • 国家地理 你的医疗未来(5) Implantable devices may include a radio-frequency ID chip under the skin that holds a patient's medical records, or a subcutaneous sensor that could continuously monitor blood chemistry. Ingestible devices in capsules will deploy once swallowed to pe
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