All living organisms are made up of cells. It is the basic, structural, and functional unit of life. Also, it is known as "Building blocks of life". Cell biology is the study of cells. It consists of ...

Like many teachers, Jim Pukys is accustomed to posing a fundamental question to students at the end of each algebra lesson: Did you understand? Unlike most teachers, though, he believes he has a ...

Natural selection uses duplicated genes as raw material for functional innovation, co-opting their existing features to new functions. Understanding genetic innovation requires two questions to be ...