Scientists at the Massachusetts Institute of Technology (MIT) have created what could be a breakthrough in providing clean, alternative energy. Researchers have invented an artificial leaf that splits water into hydrogen and oxygen and stores the ene

发表于:2018-12-07 / 阅读(94) / 评论(0) 分类 创新英语

Amber: Hello, I'm Amber and you're listening to bbclearningenglish.com. In Entertainment today, we visit the largest art event in the Arab world - the Sharjah Art Biennial in the United Arab Emirates. (A biennial is an event that happens every 2 yea

发表于:2018-12-19 / 阅读(108) / 评论(0) 分类 Entertainment

Artificial Muscle Brings Back Blink A study in the Archives of Facial Plastic Surgery reports the development of an artificial muscle system that could restore the ability to blink to stroke and injury patients. Cynthia Graber reports Most of us blin

发表于:2019-01-02 / 阅读(125) / 评论(0) 分类 60秒科学

Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani

发表于:2019-01-14 / 阅读(94) / 评论(0) 分类 VOA标准英语2011年(四月)

Scientists say they have successfully tested artificial blood vessels grown in the laboratory. In a heart bypass operation, surgeons typically remove a vein from a patient's leg and use it to replace blocked arteries that feed the muscles of the hear

发表于:2019-01-14 / 阅读(76) / 评论(0) 分类 VOA标准英语2011年(二月)

BBC Learning English London Life Royal Albert Hall Yvonne:Frank Sinatra, Pavarotti and The Beatles all performed here and even Winston Churchill spoke here. Today, join me, Yvonne Archer on a visit to the Royal Albert Hall with London Life from bbcl

发表于:2019-01-16 / 阅读(109) / 评论(0) 分类 伦敦生活