From plants and bacteria to animals and humans, our world is filled with many living things. In fact, there are approximately 8.7 million species of plants and animals in existence, and only 1.2 ...

Understanding the human cell is vital to progress in the life sciences and to human health. Cells are the smallest, most basic unit of life responsible for all of life’s processes. A typical human ...

Analyses of life's most basic elements promise to improve therapies and provide insights into some of the most fundamental processes in biology. Cell theory, the concept of the cell as the basic unit ...