middle school: 1) a school in Britain for children between the ages of 8 and 12; 2) a school in the US for children between the ages of 11 and 14. high school: 1) a school in the US and Canada for children of 14 or 15 to 18 years old; 2) used in the names of some schools in British form children from 11 to 18 years old.
近日，复旦团队在Cell Genomics发表了题为“The genomic history of East Asian Middle Neolithic millet- and rice-agricultural populations”的重要研究论文。 该研究收集了20处考古遗址（距今6231-4650年前）的74例样本，发布了迄今为止最大规模的东亚新石器时代中期的古基因组数据集。
