Scientists have found dinosaur-era feathers and evidence of them in fossil impressions before. 科学家早已发现了恐龙时代的羽毛，并拥有其印在化石上证据。 But this is the first time they've discovered a full-feathered tail se...
The G7 has called for a transformation of electricity generation towards clean sources by 2050. 七国集团峰会呼吁到2050年为止要完成从电力生产到清洁能源的转变。 They said fossil fuel should not be burned in any sector of th...
15 million years ago, New Zealand was a different place. The country was blanketed by dense rainforests and partially submerged under the ocean. Analysis of sedimentary(沉淀性的) rocks has shown that sea temperatures in this part of the world ros...
