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A red male cardinal and a brownish female sit on a branch in front of a green background.
| 10+ min read
Animals across the tree of life have developed a mind-boggling variety of ways to become male or female.

development

This is an image of a bioluminescent from gene expression reporter in stem cells from a rhinoceros.

A Stem Cell Zoo Reveals Surprising Differences in Embryogenesis

Modeling Human Disease and Development with Organoids

Modeling Human Disease and Development with Organoids

Chromosome with gold band

Immunity Genes May Play a Role in Down Syndrome

A nine-banded armadillo walking on dry grass.

Leprosy Bacterium Rejuvenates Armadillos’ Livers

An iPhone screen with the app icons for Twitter and Mastodon side by side. Other apps are arranged in rows around them.

What’s the Future of Science Twitter?

illustration of virus particles and DNA strands

Ancient Viral DNA Plays a Role in Human Disease and Development

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Registry Review Casts Doubt on Causal Link Between Maternal Infection and Autism

Pink rat pups piled on top of each other.

Rat Sperm Generated from Stem Cells

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Junyue Cao Applies Novel Approaches to Aging and Disease

Trending

A team of cartoon scientists studying a giant pancreas.

Prolonged GLP-1 Exposure Remodels Gene Expression in the Pancreas by Flipping a Molecular Switch

A drawing of men and women holding boxes, resigning en mass from their jobs as editors.

Editors Mass Resign from Elsevier Journal After Editor-in-Chief Let Go

Image of a Diploptera punctata cockroach.

Cockroach Milk Proteins Churn Out an Ig Nobel Win

In the TS 40th Anniversary template, Sarkis Mazmanian smiles in a black and white headshot photo on the left. In a photo on the right, he stands in front of a large image of a cross-section of the brain. He wears a navy jacket, a white shirt, and glasses.

Then and Now: Sarkis Mazmanian Finds Gut-Brain Links to Parkinson’s Disease

Multimedia

Rethinking ALS Biomarkers: From Discovery to Clinical Impact

Rethinking ALS Biomarkers: From Discovery to Clinical Impact

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Best Practices for qPCR Assay Design and Optimization

Best Practices for qPCR Assay Design and Optimization

Bio-Rad
The Scientist Digest cover September 2026
September 2026

Multiplex Microscopy Becomes Easier with Encoded Antibodies

A new system that enables researchers to uniquely tag monoclonal antibodies for use in microscopy could help simplify complex imaging studies.

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Rethinking ALS Biomarkers: From Discovery to Clinical Impact

Rethinking ALS Biomarkers: From Discovery to Clinical Impact

Alamar Biosciences logo
Best Practices for qPCR Assay Design and Optimization

Best Practices for qPCR Assay Design and Optimization

Bio-Rad
Beyond the Basics: Strategies for Single-Cell and Spatial Transcriptomics Analysis

Beyond the Basics: Strategies for Single-Cell and Spatial Transcriptomics Analysis

bioxcell
Scientist reviewing cellular and molecular data on a computer in a laboratory.

Building Translation-Ready Biomarkers with Connected Workflows

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Products

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The ASSIST PLUS pipetting robot for affordable workflow automation

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Single cells in suspension

Rapidly isolate primary cells and make uniform single-cell suspensions with Corning® Cell Strainers

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CellBrite® Steady Membrane Stain: Cell surface staining built for real-time imaging

Biotium
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Monod Bio Licenses AI-designed Protein Technologies to SignalChem Biotech for Custom Discovery Assays