Unfortunately, pieces of science journalism can also oversimplify and generalize their subject material to the point that the basic information conveyed is obscured or at worst, obviously wrong.
2018年12月六级真题（第三套）阅读 Section C
柯林斯高阶英汉双解学习词典释义
ADJ-GRADED
无名的；鲜为人知的；默默无闻的
If something or someone is obscure, they are unknown, or are known by only a few people.