歐亞大陸 研究人員發現在歐亞大陸北部的語言主要來自15,000年前的總語系歐亞語系。[http:--www.latimes.com-news-science-sciencenow-la-sci-sn-ice-age-language-ancestor-superfamily-eurasia-20130507,0,1515430.story 洛杉磯時報]url=http:--www.latimes.com-news-science-sciencenow-la-sci-sn-ice-age-language-ancestor-superfamily-eurasia-20130507,0,1515430.story 、[http:--www.newscientist.com-article-dn23496-european-and-asian-languages-have-one-mother-tongue.html 新科學人]url=http:--www.newscientist.com-article-dn23496-european-and-asian-languages-have-one-mother-tongue.html
埃卡特佩克莫雷洛斯 墨西哥埃卡特佩克莫雷洛斯的一輛油罐車因為失控撞向多輛汽車與住宅並發生爆炸，造成超過30人死亡。[http:--www.bbc.co.uk-news-world-latin-america-22438925 英國廣播公司]url=http:--www.bbc.co.uk-news-world-latin-america-22438925
愛沙尼亞 愛沙尼亞發射其第一顆人造衛星ESTCube-1，這也是世界上第一顆裝備有電動帆的人造衛星。[http:--www.bbc.co.uk-news-science-environment-22405969 BBC]url=http:--www.bbc.co.uk-news-science-environment-22405969
以色列 以色列戰機襲擊敘利亞西南部近大馬士革的多處目標。[http:--www.bbc.co.uk-news-world-middle-east-22409380 BBC]url=http:--www.bbc.co.uk-news-world-middle-east-22409380 , [http:--worldnews.nbcnews.com-_news-2013-05-03-18043900-us-officials-israelis-launch-airstrikes-into-syria?lite NBC News]url=http:--worldnews.nbcnews.com-_news-2013-05-03-18043900-us-officials-israelis-launch-airstrikes-into-syria?lite , [http:--www.cnn.com-2013-05-03-world-meast-israel-airstrike-syria-index.html?hpt=hp_t2 CNN]url=http:--www.cnn.com-2013-05-03-world-meast-israel-airstrike-syria-index.html?hpt=hp_t2