Nervous System
Latest about nervous system
![An illustration of neurones in the nervous system](https://cdn.mos.cms.futurecdn.net/ZAoJVaNEYFX8VC3SmLSxSd-320-80.jpg)
The nervous system: Facts, function and diseases
By James Horton last updated
Reference The network of nerves is the body's electrical wiring.
![Illustration of neurons depicted in grey-blue with red light to signify action potentials](https://cdn.mos.cms.futurecdn.net/TVA7AGJEf462EvBqSUUR9G-320-80.jpg)
Brain cells gone haywire during sleep may lead to chronic pain, mouse study suggests
By Nicoletta Lanese published
A mouse study hints at why chronic pain and poor sleep are linked.
![the gut-brain connection via the gut-brain axis](https://cdn.mos.cms.futurecdn.net/YXzSDgg6TmdxhyTNTJjJkc-320-80.jpg)
Gut-brain axis: How it works and its link to mental health
By Anna Gora published
Reference The gut-brain axis refers to the connection between the gut and the brain.
![close up on a person's hand turning the page of a large book](https://cdn.mos.cms.futurecdn.net/9YLue37CZghtZWDbhNA6UH-320-80.jpg)
Why are paper cuts so painful?
By Nicoletta Lanese published
Our anatomy and the nature of paper make paper cuts super painful.
![older man wearing button up, jeans and socks sits on a couch holding his right foot, as if in pain](https://cdn.mos.cms.futurecdn.net/KXaDsnkMMoJQxNVq3GGpmd-320-80.jpg)
Why does stubbing your toe hurt so much?
By Nicoletta Lanese published
Here's the science behind why stubbing your toe is oddly excruciating.
![glowing red neurons shown in a cross section of a mouse spinal cord](https://cdn.mos.cms.futurecdn.net/yd6jK4WcVdvvNXEzhdFWtX-320-80.jpg)
Electrical zaps can 'reawaken' lost neural connections, helping paralyzed people walk again
By Nicoletta Lanese published
Scientists identified specific spinal nerve cells that people likely need to regain the ability to walk after paralyzing injuries.
![3D model of the embryo of a cambrian creature; the ring-shaped brain is marked in yellow within the embryo (left) and in a detailed image on its own (right)](https://cdn.mos.cms.futurecdn.net/oP6E5uLWTZPZRHutJuXgZa-320-80.jpg)
Penis worm's ancient cousin fossilized with its doughnut-shaped brain intact
By Nicoletta Lanese last updated
Scientists found preserved brain tissue in a Cambrian fossil.
![histological image shows a cross section of clitoral tissue, stained blue; bundles of nerve fibers look like clusters of blue dots](https://cdn.mos.cms.futurecdn.net/tk9secFcCAAi3aoS55BsQJ-320-80.png)
In a 1st, scientists counted all 10,000 nerve fibers in the human clitoris
By Nicoletta Lanese last updated
The clitoris contains thousands more touch-detecting nerve fibers than once thought.
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