暴龙（Tyrannosaurus rex）的进化史可追溯至来自亚洲的祖先。气候变迁与灭绝事件助力暴龙科与巨型掠食龙体型增长并向全球扩散，不同种群演化出适应各自环境的特征。

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.

一项新的化石发现揭示了之前 不明 霸王龙 物种。这是 霸王龙 在墨西哥发现，揭示了这些古代捕食者的北部和南部种群之间有趣的差异！让我们看看为什么科学家们对这对我们了解恐龙多样性意味着什么感到兴奋。 被遗忘的化石 恐龙骨骼，图片由 ...