thin, rubbery-looking band with squiggly black channels running through it
Tiny Nerve-Cooling Implant Relieves Pain in Rats 
The device can chill nerves as small as a few millimeters across, but more testing and modifications are necessary before it could relieve pain in humans.
Tiny Nerve-Cooling Implant Relieves Pain in Rats 
Tiny Nerve-Cooling Implant Relieves Pain in Rats 

The device can chill nerves as small as a few millimeters across, but more testing and modifications are necessary before it could relieve pain in humans.

The device can chill nerves as small as a few millimeters across, but more testing and modifications are necessary before it could relieve pain in humans.

ABOVE: Northwestern University
piranhas, neuroscience, cell & molecular biology, culture
Single filament of a bacterium<br><br>
The Naked Eye Can Spy This Enormous Bacterium
Andy Carstens | Jun 24, 2022
At about 2 centimeters in length, Thiomargarita magnifica tests scientists’ notions of how large microbes can grow.
Two women in athletic clothing smiling at each other.
Study: People “Click” Better When Their Body Odor Matches
Dan Robitzski | Jun 24, 2022
Pairs of same-sex friends who reported strong connections when they first met had similar body odors, and body odor similarity predicted whether two strangers would hit it off.
Raising the Bar for Biomarkers and Early Diagnostics in Neurodegenerative Disease
Raising the Bar for Biomarkers and Early Diagnostics in Neurodegenerative Disease
Fortis Life Sciences | Jun 20, 2022
Identifying novel biomarkers of Parkinson’s disease enables early diagnosis and treatment monitoring.
Greyhound scratches body from fleas on a green lawn outdoors in a park on a sunny day
New Mechanism for Touch-Evoked Itch Found in Mice
Natalia Mesa | Jun 22, 2022
A previously overlooked protein is important to this type of itch, an insight that could aid the development of new treatments.
stubbed-out cigarette with smoke rising from ashes
Damage to Brain Network Curbs Urge to Smoke
Shawna Williams | Jun 16, 2022
A study finds that injuries to certain areas of the brain were associated with quitting smoking more quickly, easily, and with no cravings.
The Mosaic Brain
Sejal Davla, PhD | Jun 1, 2022
How somatic mutations cause brain diseases
Artist’s rendition of bright blue microbes among intestinal lining
Study Links Depression with High Levels of an Amino Acid
Dan Robitzski | Jun 14, 2022
Experiments in animals and observations in humans suggest that the amount of proline circulating in one’s plasma has a strong association with depression severity.
A conceptual 3D illustration of motor neurons degrading
Canada Approves Experimental ALS Therapy
Andy Carstens | Jun 14, 2022
The country’s provisional go-ahead could increase pressure already being exerted on the US Food and Drug Administration to approve the therapy.
iStock
The Scientist Speaks - Finding that Sweet Spot: Understanding Gut Perception One Cell at a Time
Iris Kulbatski, PhD | Apr 29, 2022
Maya Kaelberer discusses her research investigating how sensory cells in the gut guide feeding behavior.
illustration of a branching neuron
Different Forms of Autism Have Opposite Problems with Brain Precursor Cells
Charles Choi | Jun 13, 2022
Compared with cells taken from non-autistic controls, neural precursors from autistic boys proliferated in atypical ways, a small study finds.
3D illustration showing neurons inside the brain
Experimental Pill to Treat Parkinson’s Is Safe, Trial Finds
Andy Carstens | Jun 10, 2022
Testing in animals and lab-grown cells suggests the experimental drug could enhance the function of lysosomes within cells.
Visualize Transcript Location with Spatial Biology Techniques
Unraveling the Cellular and Subcellular Landscape Using Spatial Biology
The Scientist Creative Services Team, Resolve Biosciences | Apr 12, 2022
How to visualize gene expression patterns in situ
Illustration of peach-colored microglia among light blue neurons. Both cell types are illustrated with multiple jagged extensions coming out of a spherical cell body.
Mouse Immune Cells Destroy Nerves’ Coating, Causing Chronic Pain
Patience Asanga | Jun 9, 2022

A study suggests a way in which acute nerve injury could trigger an autoimmune response that leads to continuing pain in mice.

A white lab mouse peers over the wall of a sprawling maze
Bacterial Metabolite May Regulate Cognition in Mice
Sophie Fessl | Jun 3, 2022
Microbes in the gut influence the death of support cells in the brain by producing isoamylamine, a study suggests.
The advantages of 3-D cell culture
The Advantages of 3-D Cell Culture
MilliporeSigma | Mar 29, 2022
3-D cell culture narrows the gap between in vitro and in vivo.
GFP highlighting mouse neurons
Science Snapshot: How Brains Handle Surprise Parties
Lisa Winter | Jun 3, 2022
When unexpected events occur, norepinephrine signals mouse brains to pay attention to key details.
Archerfish in the deep transparent water.
Archerfish Defy Notion that Complex Vision Requires a Cortex
Amanda Heidt | Jun 1, 2022
The fish species is separated from mammals by hundreds of millions of years of evolution, yet its seemingly primitive brain can handle many of the same elaborate visual tasks.
Why might cells die or fail to thrive in culture?
Why Might Cells Die or Fail to Thrive in Culture?
MilliporeSigma | Mar 29, 2022
Learn more about cell culture best practices.
Octopus in tank lined with black dots
Do Invertebrates Have Emotions?
Natalia Mesa | May 26, 2022
And how do scientists go about answering that question?