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October 14, 2026

Home-Cage Monitoring: The Night Shift We Never See

Mice do most of their living after the lights go off and the last technician goes home. Continuous monitoring is…

A technician's blue-gloved hands hold a red handling tunnel with a calm white mouse peeking out, above a cage of fresh shredded-paper bedding in a quiet vivarium.
October 6, 2026

The 3Rs in Practice: What Refinement Looks Like on a Tuesday

The 3Rs get taught as three words on a slide. On the floor, Refinement is a run of small choices…

A technician crouches at the bottom shelf of a vivarium cage rack holding a light meter to a dim cage where a white mouse sits, while the top shelves glow bright, showing how vivarium lighting falls off down a rack.
October 1, 2026

Vivarium Lighting Is a Variable, Not a Fixture

Everyone remembers to set the light timer. Almost nobody checks what the cage on the bottom shelf is actually getting….

A technician's gloved hands at a vivarium bench, cage cards fanned beside a laptop open to a LIMS screen, a mouse cage softly out of focus behind them, warm documentary lighting.
September 8, 2026

Cage Card to LIMS: Where Rodent ID Data Actually Breaks Down

We’ve covered why a wrong ID quietly wrecks a study. This time the question is narrower: where, exactly, does the…

A close-up photo of blue-gloved hands pouring fresh wood-shaving bedding from a scoop into a clean polycarbonate cage, a mound of white nesting material already pressed into the far corner.
August 5, 2026

Cage Bedding Is a Variable, Not a Given

Bedding gets bought like a shop supply: whatever’s in stock, whatever’s cheapest, swapped when a vendor backorders. It doesn’t behave…

A realistic close-up photo: a blue-gloved hand holds a small clear microfluidic organ-on-a-chip up to soft daylight, with a microscope and culture flasks blurred on the lab bench behind.
July 16, 2026

NAMs: What’s Actually Validated, and What’s Just Hype

New Approach Methodologies are having a moment. The hard part isn’t believing they’re coming. It’s telling the validated tools from…

An illustrated vivarium cage rack; one cage has a worn, smudged handwritten card, the next a clean machine-readable 2D code, linked by a flow line.
June 22, 2026

The Quietest Threat to Your Study’s Validity: A Mislabeled Cage

We talk about the reproducibility crisis in terms of statistics and study design. Some of it starts somewhere much smaller…