When you decide to terminate the employment contract of your foreign domestic helper, you should notify the Immigration Department within 7 days of the date of termination. This article will tell you ...

近年来，美国一些公立学校给出了第三个选项。时报文章《Some Schools Allow Children to Register With a Gender Option Besides Girl or Boy》中提到： “Washington, D.C., schools are the latest, with a small change on the public school ...

人们一直认为外界环境的光和温度是控制开花的主要因素。然而，冷泉港实验室CSHL的助理教授Zach Lippman博士及其同事在Nature Genetics杂志上发表了新研究，揭示了一个鲜为人知的开花机制。 生物通报道：鲜花不仅吸引眼球，还吸引着蜜蜂等传粉者。植物需要最大 ...