美國(guó)的政客天天得和伊拉克戰(zhàn)爭(zhēng)打交道，真是不容易，同情一下下President Bush says he is confident political leaders can agree on a war spending bill as he says Democrats have assured him they are com...

為了緩解O型血-通用血型的緊張狀況，科學(xué)家們開(kāi)始研究是否可以把其它的血型的血轉(zhuǎn)換成為0型血Scientists may have found a way to reduce shortages of type O blood. Type O is the kind of blood that hospit...

伊拉克戰(zhàn)爭(zhēng)成為一場(chǎng)又臭又長(zhǎng)的戰(zhàn)爭(zhēng)時(shí)，美國(guó)的國(guó)防國(guó)務(wù)卿也開(kāi)始批判伊拉克戰(zhàn)爭(zhēng)In his speech in Dallas, Secretary Gates said the U.S. armed forces have performed well in spite of funding constraints tha...

一項(xiàng)種子收集行動(dòng)在進(jìn)行中，目的是為了保護(hù)那些瀕危的物種Some orphan crops cannot be grown from seeds. Instead, cuttings, roots and cell cultures will be gathered from gene banks. And the project wi...

伊拉克戰(zhàn)爭(zhēng)成為一場(chǎng)又臭又長(zhǎng)的戰(zhàn)爭(zhēng)時(shí)，美國(guó)的國(guó)防國(guó)務(wù)卿也開(kāi)始批判伊拉克戰(zhàn)爭(zhēng)Secretary Gates said the United States has a responsibility as a global leader to pursue the war in Iraq and the larger war...

一項(xiàng)種子收集行動(dòng)在進(jìn)行中，目的是為了保護(hù)那些瀕危的物種A new project will try to protect twenty-one of the world's most important food crops by securing their seeds. Organizers say the project wil...

PATH=Program for Appropriate Technology in Health， 致力于研究和開(kāi)發(fā)生殖疾病為主的治療新方法，今年已經(jīng)是它的第13個(gè)年頭Now the scale is being designed to provide a guide to the right amount of nev...

伊拉克戰(zhàn)爭(zhēng)的硝煙已經(jīng)彌漫到了美國(guó)政壇內(nèi)部，布什如何應(yīng)對(duì)?President Bush says he wants U.S. troops out of Iraq as well, but only when the government there is better able to handle its own security. ...

PATH=Program for Appropriate Technology in Health， 致力于研究和開(kāi)發(fā)生殖疾病為主的治療新方法，今年已經(jīng)是它的第13個(gè)年頭This year is the thirtieth anniversary of the Program for Appropriate Technol...

伊拉克戰(zhàn)爭(zhēng)的硝煙已經(jīng)彌漫到了美國(guó)政壇內(nèi)部，布什如何應(yīng)對(duì)?President Bush says opposition demands to pull U.S. troops out of Iraq by October would embolden the enemy. In a nation-wide address moments...