The Atlantic

These Dinosaurs' Noses Made Breathing Complicated for a Very Good Reason

By modeling the breaths of ankylosaurs, scientists have shown why these creatures had some of the most convoluted nasal passages ever seen.
Source: Lawrence Witmer

About 75 million years ago, in what is now Alberta, Canada, a dinosaur called Euoplocephalus took its final breath. That exhalation, like every other, was fleeting and insubstantial, but eons later, scientists can still reconstruct the path it took out of the dinosaur’s head. And that path, it turns out, was extraordinarily convoluted.

was one of the ankylosaurs—a group of tank-like species covered in bony plates. Their skulls and backs were armored. Their were occasionally armored. Even the nasal passages inside their skulls were lined with bone,preserving these delicate structures, usually lost to time.

You’re reading a preview, subscribe to read more.

More from The Atlantic

The Atlantic4 min read
Your Phone Has Nothing on AM Radio
This article was featured in the One Story to Read Today newsletter. Sign up for it here. There is little love lost between Senator Ted Cruz and Representative Rashida Tlaib. She has called him a “dumbass” for his opposition to the Paris Climate Agre
The Atlantic5 min read
The Strangest Job in the World
This is an edition of the Books Briefing, our editors’ weekly guide to the best in books. Sign up for it here. The role of first lady couldn’t be stranger. You attain the position almost by accident, simply by virtue of being married to the president
The Atlantic8 min readAmerican Government
The Most Consequential Recent First Lady
This article was featured in the One Story to Read Today newsletter. Sign up for it here. The most consequential first lady of modern times was Melania Trump. I know, I know. We are supposed to believe it was Hillary Clinton, with her unbaked cookies

Related Books & Audiobooks