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 ...

The thyroid cartilage surrounds the thyroid gland in the middle of the throat. Its primary function is to protect and support the vocal cords. It is one of the laryngeal cartilages, which make up the ...

The limbic system helps regulate emotional and social processing, as well as learning, motivation, and memory. It consists of structures that lie beneath the outer, wrinkly part of the brain and above ...

Animals communicate constantly through sounds. Birds sing complex melodies, whales produce long sequences of calls, and bats emit rapid pulses that guide their navigation. For scientists, ...

The functions of biomolecules, including lipids, nucleic acids and especially proteins are determined to a great extent by their structure. This structure–function relationship is a foundation of many ...

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 ...