These are my 5 must-read science books. Our outer ears and those of other mammals are made of a subtype of cartilage called elastic cartilage. It is more flexible than either hyaline cartilage or ...

"So it wasn't really known if fish had elastic cartilage or not. It turns out that they do." Gills and outer ears look and function quite differently from one another. They also do not mineralize ...

This surprising discovery sheds light on how structures can adapt over millions of years to serve entirely new functions ... the study connects the elastic cartilage in mammalian ears to the ...