BEIJING, April 25 (Xinhua) -- The biological and life science experiment samples transported by the Shenzhou-20 spacecraft have been successfully transferred to China's space station, according to the ...

人们对偶氮染料的担忧，促使一些已使用数千年的天然色素重新登上了舞台，其中有两种来自昆虫的色素都曾对人类社会产生了重大的影响。一种是胭脂虫（Dactylopius ...

遇到这样的情况，大家不用过于担忧。牛肉在跳动往往说明它很新鲜，能吃。 不过要买到真正好吃的肉，仅靠新鲜不一定行， 肉的后续处理、肉质情况等也是参考项。

BEIJING, April 24 (Xinhua) -- A mega science plan was launched Thursday in Beijing's Huairou Science City, aimed at advancing research in life sciences and major diseases by using artificial ...