Daily glass of milk can reduce bowel cancer risk, study reveals 研究显示每天喝一杯 ...
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...
The world's first digital country 世界上首个数字化国家
Scientists researching Alpine glaciers store ice in Antarctica. By analysing air bubbles in the ice they may be able to predict the future ...
FAQ on 240-Hour Visa-Free Transit Policy
Accordingto the policy, to apply for visa-free transit, one must hold aconfirmed ticket with a date and seat for travel to a ...
Gemological Institute of America1 天
Lightning Ridge（闪电山脊）：全球优质黑蛋白石之都
全球优质黑蛋白石之都——Lightning Ridge（闪电山脊）出产丰富的黑蛋白石。 摄影：Vincent Pardieu（文森特·帕尔迪厄）/GIA。 19 世纪 80 年代，人们在 Lightning Ridge（闪电山脊）发现了蛋白石，但是，直到 1903 年 Charlie Nettleton 首次开采，并于当年后期出售了第一包黑 ...