The evolutionary leap from cheek breathing to rib-assisted breathing was a significant event that has, until now, remained mysterious https://www.economist.com/science-and-technology/2026/04/08/mummified-reptiles-are-revealing-how-breathing-evolved?taid=69d7cab22dba0d00016ad5f6&utm_campaign=trueanthem&utm_medium=social&utm_source=twitter