New research from the Natural History Museum at the University of Oslo suggests ichthyosaurs’ rib cages may have done a job modern whale ribs don’t: acting as ballast to help them dive.

The post Ichthyosaurs Had Surprisingly Dense Ribs, New Study Finds appeared first on Sci.News: Breaking Science News.

Missouri Skydiving Plane Crash A skydiving plane went down seconds after takeoff in western Missouri on Sunday, killing