Smithsonian Magazine on MSN7d
Why Do Mammals Have Outer Ears? Scientists Are Getting Closer to Solving the Mystery
Two new studies offer insights into the evolution and development of external ears, which appear in humans and other mammals ...
EurekAlert!14d
Non-menopausal and menopausal cartilage comparison (IMAGE)
Microscope slide images comparing cartilage in non-menopausal aging (left) versus a sample in menopausal aging (right). Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of ...