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| Version 2 | Version 3 |
|---|---|
| Amazon river 'longer than Nile' | Amazon river 'longer than Nile' |
| (about 17 hours later) | |
| Researchers in Brazil are claiming to have established as a scientific fact that the Amazon is the longest river in the world. | Researchers in Brazil are claiming to have established as a scientific fact that the Amazon is the longest river in the world. |
| The Amazon is recognised as the world's largest river by volume, but has generally been regarded as second in length to the River Nile. | |
| The claim follows an expedition to Peru that is said to have established a new starting point further south. | The claim follows an expedition to Peru that is said to have established a new starting point further south. |
| It puts the Amazon at 6,800km (4,250 miles) compared to the Nile's 6,695km. | It puts the Amazon at 6,800km (4,250 miles) compared to the Nile's 6,695km. |
| Mountain source | Mountain source |
| The precise length of a river is not easy to calculate and depends on correctly identifying the source and the mouth. | The precise length of a river is not easy to calculate and depends on correctly identifying the source and the mouth. |
| The new claim in Brazil follows an expedition by scientists which is said to have discovered a new source for the Amazon in the south of Peru and not the north of the country as had been thought for many years. | The new claim in Brazil follows an expedition by scientists which is said to have discovered a new source for the Amazon in the south of Peru and not the north of the country as had been thought for many years. |
| While the exact location has yet to be confirmed from two choices, scientists say either would make the river the longest in the world. | While the exact location has yet to be confirmed from two choices, scientists say either would make the river the longest in the world. |
| Guido Gelli, director of science at the Brazilian Institute of Geography and Statistics, told the Brazilian network TV Globo that today it could already be considered as a fact that the Amazon was the longest river in the world. | Guido Gelli, director of science at the Brazilian Institute of Geography and Statistics, told the Brazilian network TV Globo that today it could already be considered as a fact that the Amazon was the longest river in the world. |
| The Amazon is now said to begin in an ice-covered mountain in southern Peru called Mismi. | The Amazon is now said to begin in an ice-covered mountain in southern Peru called Mismi. |
| Researchers travelled for 14 days, sometimes in freezing temperatures, to establish the location at an altitude of 5,000m. | Researchers travelled for 14 days, sometimes in freezing temperatures, to establish the location at an altitude of 5,000m. |
| The research was co-ordinated by the National Geographical Institute of Peru, with the help of their colleagues in Brazil. | The research was co-ordinated by the National Geographical Institute of Peru, with the help of their colleagues in Brazil. |
| There has been a healthy academic debate over the world's longest river for some years and the claim from Brazil may not go unchallenged. | There has been a healthy academic debate over the world's longest river for some years and the claim from Brazil may not go unchallenged. |