The pharynx affords us the abilities to breathe and swallow, but it does much more. It affords the ability for speech, language, and singing.
Here are more cellular machines to dazzle us with their moving parts and functions.
Not much is known for sure about how dogs age. The Dog Aging Project aims to change that through systematic research programs.
Dying actually begins at conception. From the moment of conception the directions for a person’s demise are passed on to every cell.
Dr. Simmons sees clues of design in the processes of reproduction, in development, and in the many complex events in the lungs and vascular system that make childbirth possible.