"Our work reveals that deep Earth processes, specifically the breakup of the ancient supercontinent Nuna, set off a chain of events that reduced volcanic carbon dioxide emissions and expanded the ...

长颈鹿可能是动物园中的明星物种了，每个参观长颈鹿的人都会惊叹它们的长脖子。在我们普通人看来，所有的长颈鹿似乎都是一样的——长脖子，花斑纹。