66 million years ago, Antarctica was lush, temperate, and home to the oldest modern bird and T-Rex
A recently analyzed near-complete fossil skull found in Antarctica has revealed Vegavis iaai to be the oldest known modern ...
Invisible lines: how unseen boundaries shape the world around us
Another invisible line is the Qinling-Huaihe line, which separates China into two distinct regions: the humid and subtropical south and the dry, temperate north.