Image showing the legs of multiple people running in the street. 
| 4 min read
In a chronic stress model, challenging exercise reduced anxiety by activating a three-neuron loop across brain regions.  

amygdala

Octopus in tank lined with black dots

Do Invertebrates Have Emotions?

Grey and white stones on a wooden plank

Eight Weeks of Meditation Doesn’t Change the Brain, Study Finds

Alcohol bottles at a bar

Epigenome Editing Decreases Alcohol Seeking and Anxiety in Rats

An illustration of a woman in bed unable to sleep. The bedside clock reads 2:30. Her brain and heart are glowing.

Infographic: Pathways from Noise to Cardiovascular Damage

Broken Heart Syndrome Linked to the Brain

fear, anxiety, fMRI, study, neural circuits, brain study, neuroscience, amygdala, BNST

Brain Circuitry for Fear and Anxiety Is the Same on fMRI

Infographic: What Social Isolation Can Mean for the Brain

Karaoke-Sleep Study Links Disrupted REM With Poor Memory Processing

Defeating Fear Depends on Amygdala Suppression

Distinct Regions Drive Responses to Anxiety, Fear

Infographic: Anticipation Versus Confrontation

Contributors

Image of the Day: Fear Center

The Cellular Hallmarks of Consciousness

Scientists Activate Predatory Instinct in Mice

Lying Repetitively Linked to Decreased Amygdala Activity

Why Screams Scare Us

Rat Odors Teach Fear

Overcoming Fears While Napping

Manipulating Mouse Memory

Trending

Photo of John Calhoun crouches within his rodent utopia-turned-dystopia

Universe 25 Experiment

A brown-shelled snail with green and white striped eye stalks on the petals of a yellow tiger lily.

How Tiny Organisms Control Minds, Create Zombies, and Shape Ecosystems

Illustration of a transparent, blue outlined synapse with red neurotransmitters passing between them. More out-of-focus blue neurons are in the background.

ALS Disturbs Sleep Prior to Symptom Onset

A spiral fossil with a snail-like shell.

Aerobic Bacteria May Predate Earth’s Oxygen Boom

Multimedia

The Future of CRISPR

The Future of CRISPR

Conceptual image of biochemical laboratory sample preparation showing glassware and chemical formulas in the foreground and a scientist holding a pipette in the background.

Taking the Guesswork Out of Quality Control Standards

sartorius logo
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.

View this Issue
Conceptual image of biochemical laboratory sample preparation showing glassware and chemical formulas in the foreground and a scientist holding a pipette in the background.

Taking the Guesswork Out of Quality Control Standards

sartorius logo
An illustration of PFAS bubbles in front of a blue sky with clouds.

PFAS: The Forever Chemicals

sartorius logo
Unlocking the Unattainable in Gene Construction

Unlocking the Unattainable in Gene Construction

dna-script-primarylogo-digital
Concept illustration of acoustic waves and ripples.

Comparing Analytical Solutions for High-Throughput Drug Discovery

sciex

Products

Atelerix

Atelerix signs exclusive agreement with MineBio to establish distribution channel for non-cryogenic cell preservation solutions in China

Green Cooling

Thermo Scientific™ Centrifuges with GreenCool Technology

Thermo Fisher Logo
Singleron Avatar

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

Zymo Research Logo

Zymo Research Launches Research Grant to Empower Mapping the RNome