Geologists have extensively debated the age of the Nile River, with some early figures settling on around 6 million years. They've also wondered how the 4,132 mile-long river kept its persistence for so long, continually flowing north,?a very unusual direction for river water to take. Now, researchers believe they may have the answers to these questions.
XINING, China (AP) — There's a building boom on the Tibetan plateau, one of the world's last remote places. Mountains long crowned by garlands of fluttering prayer flags — a traditional landscape blessing — are newly topped with sprawling steel power lines. At night, the illuminated signs of Sinopec gas stations cast a red glow over newly built highways.