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Neuroscientist Siniša Hrvatin explores how animals initiate and regulate states of dormancy.

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Scientists or veterinary workers doing experiments in lab with experimental animals biological genetic engineering research

Addressing the Problematic Past of Animal Behavior Research

Image of the fly brain (grey) highlighting the population of neurons (pink) to which the gut-secreted peptide CCHa1 signals

A Protein-Rich Diet Helps Mice and Flies Sleep More Soundly: Study

Two pink-colored, rod-shaped bacteria interacting with a blue-colored human cell

Gut Bacterium Linked to Depression in Premenopause

A cross-section of mouse brain showing the locus coeruleus in fluorescent green

Hormone Sobers Up Drunken Mice: Study

Pink neutrophils on a white background.

Mucus-Eating Gut Bacteria May Promote Fever After Cancer Treatment

Drawing of a mouse scratching itself after watching a video of a different mouse scratching itself.

Specialized Brain Circuit Makes Mice Itchy When They See Others Scratch

White mice in a clear plastic cage

Different Genes Influence Lifespan in Male and Female Mice

blue-gloved hands injecting mouse with syringe

Sex of Researcher Influences Ketamine’s Effects in Mice: Study

Bright purple and orange lactobacillus bacteria.

How a Specific Gut Bacterium May Trigger Type 1 Diabetes

mouse nose peeking out from between two yellow objects

Not-so-Mellow Yellow: Pregnant Mice’s Urine Stresses Out Males

A small, brown mouse runs on a narrow, miniature treadmill

How Exercise Helps Mice Fight Pancreatic Cancer

Artist’s rendition of bright blue microbes among intestinal lining

Amino Acids, Proline, and Depression: Unpacking the Gut-Brain Axis Link

A white lab mouse peers over the wall of a sprawling maze

Bacterial Metabolite May Regulate Cognition in Mice

A colorized transmission electron microscope image of an oligodendrocyte (blue) surrounded by cells that it coated in myelin (red outlines).

Brain Fluid from Youngsters Gives Old Mice a Memory Boost

A white mouse huddles with some of her nine-day-old pups.

In Vivo Gene Therapy Cures Infertility in Mice

A two-pronged needle, a glass vial of smallpox vaccine, and a syringe sit on a blue surface.

Smallpox Vaccine Recruits Skin Bacteria to Fight Disease

Ken Paigen

Former Jackson Lab Director Ken Paigen Dies

Johannes Kohl Untangles the Neural Circuitry Behind Instinct

EPA Aims to Drastically Reduce Animal Testing

First Successful Gene Drive in Mammals

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

Universe 25 Experiment

Green clusters of moss on a petri dish against a white background.

Moss Medicines: The Next Revolution in Biotech?

A watercolor illustration of the human brain.

New Neurons Continue to Form in Adult Human Brains

Split image of a man unsuccessfully trying to tickle himself with a feather (right) and a man laughing and being tickled by a woman with a feather (left).

Why Can’t We Tickle Ourselves?

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Screening 3D Brain Cell Cultures for Drug Discovery

Screening 3D Brain Cell Cultures for Drug Discovery

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The Holy Grail Hunt in De Novo Antibody Design

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July Digest 2025
July 2025, Issue 1

What Causes an Earworm?

Memory-enhancing neural networks may also drive involuntary musical loops in the brain.

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Screening 3D Brain Cell Cultures for Drug Discovery

Screening 3D Brain Cell Cultures for Drug Discovery

Explore synthetic DNA’s many applications in cancer research

Weaving the Fabric of Cancer Research with Synthetic DNA

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Illustrated plasmids in bright fluorescent colors

Enhancing Elution of Plasmid DNA

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An illustration of green lentiviral particles.

Maximizing Lentivirus Recovery

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