a white mouse sits on a blue exercise wheel, looking out onto the shavings below
| 4 min read
A neural pathway between the gut and the brain led to the release of dopamine when the mice ran on a wheel or treadmill, but only in the presence of a robust microbiome. 

neural activation

Conceptual image of blue neurons with glowing segments over blue background.

CRACK Method Reveals Novel Neuron Type in Mouse Brain

Illustration of a Macaque viewing patterns of dots on a screen

Infographic: Single-Cell Recordings Identify “Number Neurons”

Photograph of a mouse covering his face with his paw.

Bless You: Mouse Model Reveals Molecular Pathway Behind Sneezing

Illustration showing how a mouse study identifies the brain regions and specific signaling factors that regulate the sneeze response.

Infographic: The Neural Pathway of Sneezing

Deep Brain Optogenetic Control Without Implants

Facial Expressions Decoded in Mice

Increased Neuronal Activity Shortens Lifespan in Animals

Anesthesia drugs feature the scientist 2019

General Anesthesia Causes Telltale Brain Activity Patterns

Honeybees Enter Virtual Reality So Scientists Can Study Their Brains

Infographic: What Makes a Brain Smart?

Infographic: The Brain on Psychedelics

Behavior Circuits Mapped in Whole Fruit Fly Brain

Simplified Magnetogenetics

Linking Neurons to Behaviors

Watching the Brain Remember

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Universe 25 Experiment

A white dire wolf stands in a grassy enclosure in front of a pile of logs.

Dire Wolf De-Extinction Debate Divides Scientists

Large clumps of bacteria (pink) entrapped by webs of DNA (green) released by neutrophils in human urine.

When a Urinary Tract Infection Strikes, What Protects the Kidneys?

Hands wearing blue gloves use scissors and forceps to cut DNA.

David Liu Wins 2025 Breakthrough Prize for Base Editing and Prime Editing

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Thermo Scientific™ Centrifuges with GreenCool Technology

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Conceptual image of DNA sequencing showing multicolored bands with a magnifying glass in the foreground.

Making the Most of Whole Genome Sequencing Library Prep

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Image of a woman in a microbiology lab whose hair is caught on fire from a Bunsen burner.
April 1, 2025, Issue 1

Bunsen Burners and Bad Hair Days

Lab safety rules dictate that one must tie back long hair. Rosemarie Hansen learned the hard way when an open flame turned her locks into a lesson.

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Unlocking the Unattainable in Gene Construction

Unlocking the Unattainable in Gene Construction

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Concept illustration of acoustic waves and ripples.

Comparing Analytical Solutions for High-Throughput Drug Discovery

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Explore the tools available for studying histone modification.

Tools for Studying Histone Modification

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An Early Window into Biological Change and Disease Development

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Thermo Scientific™ Centrifuges with GreenCool Technology

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Singleron Biotechnologies and Hamilton Bonaduz AG Announce the Launch of Tensor to Advance Single Cell Sequencing Automation

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Zymo Research Launches Research Grant to Empower Mapping the RNome

Magid Haddouchi, PhD, CCO

Cytosurge Appoints Magid Haddouchi as Chief Commercial Officer