Groundbreaking study in The American Journal of Pathology reveals how infected immune cells travel from the brain through the body, potentially reseeding HIV and sustaining inflammation The CNS has ...

What if a soft material could move on its own, guided not by electronics or motors, but by the kind of rudimentary chemical signaling that powers the simplest organisms? Researchers at the University ...

"Nervous Systems: Spiritual Practices to Calm Anxiety in Your Body, the Church, and Politics" By Sara Billups, Baker Books, 225 pages Sara Billups, a Seattle-based writer and cultural commentator, ...

A trio of scientists — two of them American and one Japanese — have won the Nobel Prize in medicine for their discoveries concerning peripheral immune tolerance, a mechanism by which the body helps ...

The sea lamprey looks like it’s from another planet, but this ancient creature has a surprising amount in common with humans Olivia Ferrari Sea lampreys have large neurons and synapses, making them ...

Your peripheral nervous system (PNS) is crucial to navigating daily life. It lets you walk, controls your eye movements, and rings your brain’s alarms when you step on a Lego brick. Yet researchers ...

We’re celebrating 180 years of Scientific American. Explore our legacy of discovery and look ahead to the future. Billions of nerve cells send signals coursing through our bodies, serving as conduits ...

Unlike the brain and spinal cord, peripheral nerve cells, whose long extensions reach the skin and internal organs, are capable of regenerating after injury. This is why injuries to the central ...

Add realism (and a little mischief 😈) to your Minecraft home with a working doorbell! 🛎️ In this fun Redstone tutorial, you'll learn how to build a realistic doorbell using note blocks, buttons, ...

With their quick-change camouflage and high level of intelligence, it’s not surprising that the public and scientific experts alike are fascinated by octopuses. Their abilities to recognize faces, ...

Your autonomic nervous system helps regulate emotional balance, but chronic stress or trauma can trigger an overactive fight-or-flight response. Nervous system dysregulation refers to a condition in ...

The sympathetic nervous system, which helps your heart and other vital organs function all the time, increases activity in response to danger or stress, preparing the body for extra demands. Stress is ...