《国家地理》 Club
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Ever since the light bulb's invention 150 years ago, artificial light has illuminated homes, streets, and skies -- but with some unintended consequences.
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《国家地理》
documentary
Nearly 90% of the United States population has at least one caffeinated beverage every day. Learn about the chemistry of caffeine, how it causes increased alertness and focus, and how caffeine is capable of causing overdoses.
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《国家地理》
documentary
added by pramodmalviya
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Groundbreaking fossil discovery in the southern state of Paraná, Brazil, reveals new dinosaur species that could balance on single toes.
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《国家地理》
documentary
earth
fossils
The mangroves are a nursery for 柠檬 sharks, but when the tides rise, it becomes a hunting ground.
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《国家地理》
documentary
earth
动物
National Geographic explorer Pearce Paul Creasman is leading the excavation of Nuri, a royal burial site with 更多 than 20 pyramids. Many of the tombs have been undisturbed for 更多 than 2,000 years.
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《国家地理》
documentary
earth
Before the euro was introduced, the continent featured a wide range of unique national currencies. This delightful 动画片 shows what coins looked like before the eurozone.
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《国家地理》
documentary
earth
added by lilyZ
Source: 《国家地理》
added by lilyZ
Source: 《国家地理》
added by lilyZ
added by lilyZ
added by lilyZ
added by lilyZ
added by lilyZ
added by lilyZ