Researchers have found one of the oldest and most detailed fossils of the central nervous system yet identified, from a crustacean-like animal that lived more than 500 million years ago. The fossil, ...

Your sympathetic nervous system is one of the branches of your autonomic nervous system. It controls functions under unconscious control related to “fight or flight.” Your nervous system plays a ...

Imagine that you’ve never been to Earth. You visit first in winter, where someone introduces you to water. From a glass, they pour it out over your hand. You drink. Remarkable. Imagine that you walk ...

The peripheral nervous system (PNS) is the system of nerves and ganglia outside the brain and spinal cord. The PNS consists of the peripheral nerves, neuromuscular junctions, cranial nerves, and ...

How does animal behavior emerge from networks of connected neurons? How are these incredible nervous systems and behaviors actually generated by evolution? Are there principles shared by all nervous ...

The autonomic nervous system is our internal surveillance system, pursuing safety while remaining alert for danger. The system guides our daily experiences, making sure that we survive in moments of ...