Nervous System

Latest about nervous system

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)

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.

Fossils
histological image shows a cross section of clitoral tissue, stained blue; bundles of nerve fibers look like clusters of blue dots

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.

Sex
illustration of the ebola virus

Ebola can linger in brain fluid and trigger deadly relapse, monkey study suggests

By Nicoletta Lanese published

Ebola can lurk in fluid-filled cavities in the brain.

Ebola
The sympathetic nervous system is responsible for your fight or flight response.

Fight or flight: The sympathetic nervous system

By Nicoletta Lanese, Scott Dutfield published

Reference The sympathetic nervous system activates the "fight-or-flight" response, quickly readying the body to handle dangerous or stressful situations.

Reference
various fossils of the species Mollisonia symmetrica, a bug-like Cambrian arthropod

500 million-year-old, bug-like fossils have stunningly preserved nervous systems

By Nicoletta Lanese published

The organisms may be related to modern arachnids, scientists say.

Fossils
(Left) Researchers found a spatial organization to the way that neurons are activated when a jellyfish is coordinating behavior; (Right) The jellyfish folds the right side of its body to bring a tiny brine shrimp to its mouth.

Scientists inserted disco 'strobe lights' into jellyfish to see how they function without brains

By Nicoletta Lanese published

Scientists genetically modified jellyfish in order to make their neurons light up.

Jellyfish
Cold fresh air can help people ill with nausea feel better.

Why does cold fresh air help nausea go away?

By Tyler Santora published

Here are some theories as to why cold air helps get rid of nausea.

Health
Ilustration of nerve cells.

COVID-19 could mix up body's 'fight-or-flight' system

By Yasemin Saplakoglu published

There's still much that’s unknown about the subtle impacts a typical COVID-19 infection may have on the body and the nervous system.

Coronavirus
The string of mysterious illnesses were first reported among employees at the U.S. Embassy in Havana, Cuba.

Mysterious neurological symptoms are appearing in US diplomats and spies around the world

By Stephanie Pappas published

Approximately 60 U.S. personnel stationed around the world have complained of mysterious neurological symptoms that may be linked to the use of a microwave weapon.

Warfare
A sponge the size of a minivan, the largest on record, was found in 2015 during a deep-sea expedition in Papahānaumokuākea Marine National Monument off Hawaii. These bizarre creatures are humanity's most distant animal cousins, according to new research.

Your most distant cousin doesn't even have an anus

By Rafi Letzter published

No animal is less related to you than a sea sponge, and they've got the genes and nerveless, anus-less bodies to prove it.

Genetics
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