亚洲综合中文字线观看看,中文欧美亚洲欧日韩一,2020年国产精品自线在拍,亚洲AⅤ日韩AV电影在线观看

      1. <dfn id="lnb6s"><var id="lnb6s"></var></dfn>

        1. Wing color of 200-million-year-old insect revealed via fossil scales in Nanjing

          Source: Xinhua| 2018-04-12 22:19:23|Editor: mmm
          Video PlayerClose

          CHINA-FOSSIL STUDY-INSECT COLOR (CN)

          Combo photo shows Tarachoptera from Burmese amber and the scale structure. An international team led by Chinese scientists has revealed the wing color of a 200-million-year-old insect via fossil scales. The study, published in the journal Science Advances, found that tiny photonic structures of lepidopterans could produce metallic bronze to golden color appearances in the insect wings. (Xinhua/NIGPAS)

             Prev 1 2  

          KEY WORDS: fossil
          EXPLORE XINHUANET
          010020070750000000000000011100001371068331