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A senior UN official is suggesting Zimbabwe has made significant progress in preparations for the upcoming general elections, as well as in its reforms to attract investors to help revive the country's ravaged economy. Achim Steiner, UNDP Administrat
2018CRI中国国际广播电台
This is Scientific Americans 60 second Science, I am Cynthia Craber, this will just take a minute. The biggest risk for breast cancer patients is usually not original tumor, which is removed by surgery. The cancer becomes particularly deadly if it me
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Spray Detects Hard-to-Find Tumors Surgeons may soon have a new tool to help locate early-stage cancerous growths; a spray that turns fluorescent green when it comes into contact with tumors. The spray is clear, but contains a non-toxic dye that almos
VOA标准英语2011年(十一月)
5After the Philistines had captured the ark of God, they took it from Ebenezer to Ashdod. 2Then they carried the ark into Dagon's temple and set it beside Dagon. 3When the people of Ashdod rose early the next day, there was Dagon, fallen on his face
撒母耳记
By Alex Villarreal United Nations 14 May 2008 The United Nations is looking for innovative ways to combat global warming. One initiative aims to plant seven billion trees worldwide - nearly one for every person on the planet. From U.N. Headquarters i
VOA标准英语2008年（五月）
RACHEL MARTIN, HOST: It's tough to be a teenager. It's especially tough for girls, who are more vulnerable to depression than boys. New research shows that's getting even worse. As NPR's Patti Neighmond reports, girls are now three times more likely
2017年NPR美国国家公共电台2月