There is something about dinosaurs that inspires sensational news stories. It’s not uncommon to see a trove of articles coming out about whether or not Tyrannosaurus and its relatives had feathers or scales. The problem with these articles is that they are claiming a lot more certainty about Tyrannosaurus than what we actually know.
Micro-CT scanning showed that meat-eating dinosaurs, known as theropods, had numerous pits on their jaws which are thought to be passages for nerves or blood vessels. Until now, this feature had received little-detailed attention except in semi-aquatic spinosaurs and giant tyrannosaurs.
Ever since the dawn of life on Earth more than three billion years ago, the world has periodically undergone catastrophic changes. One era ends, another begins, and living things in all corners of the globe suffer and die on a vast scale. In between, stability allows life to recover, even flourish, in new conditions.
A nugget of amber from Myanmar has been found with a nearly complete baby bird inside. The specimen is one of the several recently discovered amber nuggets with entombed body parts of feathered dinosaurs.