Animals display an extraordinary array of structural adaptations that are intimately linked to their functional capacities. From the microscopic organisation of tissues and cells to the macroscopic ...

Scientists make predictions about the structure and function of objects based on observations. Ms. Gentemann introduces natural and man-made structures and how to observe them. / Emily Gentemann, ...

An essential component of the lymphatic system, the thymus, a pyramid-shaped organ located in the thoracic cavity, is responsible for producing T-cells. For centuries, the thymus was believed to be an ...