• Under this layer of nanodiamonds, they found remains of many ancient animals, including those that disappeared after Younger Dryas.

    VOA: special.2009.01.20

  • This surface layer thickens at an early stage in a mouse after 8 days of development.

    发育8天后,老鼠早期胚胎的,外胚层开始增厚。

    斯坦福公开课 - 7个颠覆你思想的演讲课程节选

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