This is Scientific American's 60-Second Science, I'm Steve Mirsky. Got a few minutes? Today we have a special edition featuring a brief interview with Sciam editor, Steve Ashley. Steve Ashley, a lot of people are very concerned about oil right now, b

发表于:2018-12-24 / 阅读(34) / 评论(0) 分类 Scientific American(七)月

Google Announces New Services and Products Last week, Google held a conference where the company announced what it has planned for the coming months. Googles 2016 I/O conference for software developers took place in Mountain View, California. The eve

发表于:2019-01-12 / 阅读(39) / 评论(0) 分类 2016年VOA慢速英语(六)月

Kakamega Forest in Western Kenya one of country's last remaining stands Cathy Majtenyi | Nairobi, Kenya 24 November 2009 Mondia, found in Kakamega Forest, is a vine that has for centuries been used as a flavoring agent and medicine Kakamega Forest i

发表于:2019-01-14 / 阅读(28) / 评论(0) 分类 VOA标准英语2009年(十一月)

Just two days after Apple released its latest iPhone upgrade, the iPhone 6S, reporters in Shanghai did a straw poll survey of locals around the city to gauge the reaction. While certainly not scientific, the lack of enthusiasm is quite evident. Apple

发表于:2019-02-18 / 阅读(32) / 评论(0) 分类 英语新闻

Just two days after Apple released its latest iPhone upgrade, the iPhone 6S, reporters in Shanghai did a straw poll survey of locals around the city to gauge the reaction. While certainly not scientific, the lack of enthusiasm is quite evident. Apple

发表于:2019-03-01 / 阅读(72) / 评论(0) 分类 2015CRI中国国际广播电台

We're only beginning to understand why we sleep to begin with, but we do know it's essential. Adults need 7 to 8 hours sleep at night, and adolescents need about 10. We grow sleepy due the signals from our body telling our brain we are tired, and sig

发表于:2019-03-06 / 阅读(88) / 评论(0) 分类 英语PK台