[网络] 少多了

Dr Molnar s interest was piqued at a conference in 2013, Molnar博士的兴趣源于2013年的一次会议, when Karen Kinemuchi, another astronomer, presented some puzzling findings on a particular star seen by Kepler, a space telescope designed c

发表于:2018-12-30 / 阅读(58) / 评论(0) 分类 经济学人科技系列

Smaller Fingers Mean More Sensitive Fingertips A study in the Journal of Neuroscience finds that people with smaller fingers have more sensitive fingertips, probably due to a higher concentration of touch receptors in a given area. Cynthia Graber rep

发表于:2019-01-02 / 阅读(100) / 评论(0) 分类 60秒科学

By David McAlary U.S. astronomers have made a finding they say increases the chance that distant stars may harbor planetary systems like our own. They have discovered two planets the size of Neptune e

发表于:2019-01-03 / 阅读(57) / 评论(0) 分类 VOA2004(下)--健康科技

Could Rising Temperatures Mean Smaller Mammals? Scientists say in the ancient past, higher temperatures meant smaller mammals. Theyre studying how a brief, but dramatic climate change event affected body size. Its called the Paleocene-Eocene Thermal

发表于:2019-01-14 / 阅读(46) / 评论(0) 分类 VOA标准英语2012年(二月)

By Melinda Smith Washington, D.C. 19 February 2008 Congestive heart failure is diagnosed when a weakened heart fails to pump blood adequately and fluid builds up in the lungs and elsewhere in the body. But a diagnosis of congestive heart failure doe

发表于:2019-01-31 / 阅读(27) / 评论(0) 分类 VOA常速英语2008年(二月)

Are Americans Too Big To Drive Small? Analysts say our waist size will keep us from buying small cars in big numbers Analysts say Americans' waistlines may keep us from choosing small cars. (Adam Morath, AOL Autos) Karen Steelman, a stay-at-home mom

发表于:2019-02-18 / 阅读(41) / 评论(0) 分类 阅读空间