色婷婷狠狠操,在线欧美激情,国产一区二区二,日韩在线一区二区,干少妇视频,国产成人免费高潮激情视频,中文字幕看片

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