21-11-12 Here in this remote valley is the worlds oldest known paintings of animals. The discovery, made by Basran Burhan, a doctoral student at Australias Griffith University. 在这个偏远的山谷里，有世界上已知最古老的动物绘画。它是由澳大利亚格里菲斯大学的博...

20-09-27 Christmas wont be Christmas without any presents, grumbled Jo, lying on the rug. Its so dreadful to be poor! sighed Meg, looking down at her old dress. I dont think its fair for some girls to have plenty of pretty things, and other girls nothing at...

15-12-09 The faulted alluvial fans near Badwater in Death Valley are amongst the most visited and classic landforms in the U.S. New mapping and dating of these landforms, presented in this open-access study by Kurt Frankel and colleagues, help to determine t...

13-04-18 Salt Lake Valley, home to the Salt Lake City segment of the Wasatch fault zone and the West Valley fault zone, has been the site of repeated surface-faulting earthquakes (of about magnitude 6.5 to 7). New research trenches in the area are helping ge...

09-11-24 New research adds to the growing body of evidence suggesting the Red Planet once had an ocean. In a new study, scientists from Northern Illinois University and the Lunar and Planetary Institute in Houston used an innovative computer program to produ...

09-09-18 Silicon Valley is stirring back to life, following a bruising economic downturn, according to industry insiders and start-up entrepreneurs. 业内人士和创业企业家表示，伴随经济低迷的尾声，硅谷发展恢复正常。 The recession is close to ending, Fed chairm...