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Why do golf balls have dimples(酒窝, 涟漪)?So that they look cute? NO! Because the dimples maximize the distance golf balls travel. Dimpled balls travel up to four times farther than smooth-surfac
DAVID GREENE, HOST: All right. Now, in Helsinki yesterday, Presidents Trump and Putin also embraced restarting stalled arms control talks. For all the bad blood between the U.S. and Russia, those two nations still inspect one another's vast nuclear a
The Streaming down the Yangtze team has arrived in the city of Tongling, Anhui Province. Owing to its copper deposits, it was an important center in ancient China for bronze production. The scale of the copper industry has gradually increased and it
Varden paused, and put away a good mouthful of whisky. Well? cried several breathless voices. Well, said Varden, Im not ashamed to say I went out of that house like an old buck-rabbit that hears the man with the gun. There was a car standing just out
Unionized workers at Chile's Codelco, the world's largest copper producer, have begun a 24-hour strike in a dispute with the government over the future of the company. The workers walked off the job Monday over modernization(现代化) plans that
1. Civil rights leaders are calling for the creation of a citizens review board in North Charleston, South Carolina. NAACP leaders say they want the board to look into complaints of police brutality. The demand's come after a video surfaced of a whit