Mosquitos began biting humans more than a million years ago | An analysis of 38 modern mosquitoes’ DNA suggests an ancestral mosquito species developed a preference for feeding on early humans between 2.9 and 1.6 million years ago,

· · 来源:study资讯

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5月13日,北京市第八十中学学生展示自己设计制作的仿生学设备。 新京报记者 王飞 摄

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