The "forever chemical" PFOS accumulates in honeybee colonies and transfers to their honey. New research shows chronic exposure leads to lower body weight in juvenile bees and disrupts key proteins, potentially threatening global pollination, food security, and human health.

· · 来源:rail资讯

族群融合为统一性做了又一注解。东周时期,中原农耕人群北进,与南下的北方游牧族群齐聚于今内蒙古中南部,开启了波澜壮阔的人群迁徙、互动、交流并融合的历史进程,最终融入统一的多民族国家之中。斯人已逝,但他们的颅面特征化为一条条精确的量化数据,为张旭提供了复原那段历史的证据。农牧交错带不是文明断裂的边陲,而是民族融合的前沿阵地。

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