The recent diplomatic dustup between Qatar and many other Gulf nations caused some nervousness for some of the world's most cutting edge scientists.
원문출처 : http://www.cnn.com/2017/07/07/opinions/helium-crisis-qatar-opinion-lincoln/index.html
원문출처 : http://www.cnn.com/2017/07/07/opinions/helium-crisis-qatar-opinion-lincoln/index.html