美媒 曝共和党参选人有5情妇情妇直播中被点名 Ted Cruz Accused Of 5 Dirty Sex Romps With A... 'The images are worth a thousand words': Trump... Ted Cruz Cheating Scandal: Alleged Mistresses... Ted Cruz and Donald Trump's monumentally stupid...
美科学家合成最小基因组 向生命之谜迈进一步 科学狂人J. Craig Venter又有新动作,制造出一个仅含473个基因(可能是维持生存必需的最小数目基因)的单细胞生物( a single-celled organism that has just 473 genes — likely close to the minimum number of genes necessary to sustain ...
全球10个空气最污染城市不在中国 World The 10 cities with the worst air pollution in the world have air that's up to 15 times dirtier than what is considered healthy Last week, the World Health Organization reported that an estimated 8.2 million deaths a year are linked to air pollu ...