Developmental Biology

A group of newborn mice with their mother.

Maternal Iron Deficiency Can Trigger Sex Reversal in Mouse Embryos

Sahana Sitaraman, PhD | | 3 min read

A human zygote on the first day of development. Both male and female pronuclei and a polar body are clearly visible.

Scientists Discover a Second Epigenetic DNA Marker

Claudia Lopez-Lloreda, PhD | | 3 min read

Enzymes, like DNA methyltransferase (pictured here in light blue), add epigenetic modifications to DNA (orange), changing gene expression and disease risk.

Is Lifetime Cancer Risk Determined Before Birth?

Hannah Thomasy, PhD | | 2 min read

Stem Cell Strategies for Skin Repair

Stem Cell Strategies for Skin Repair

Available on Demand

An infant thinking and possibly forming memories.

Babies Form Memories. Why Do Adults Forget Them?

Sahana Sitaraman, PhD | | 3 min read

Zebrafish swimming in water.

Tiny Plastics Impair Red Blood Cell Development in Zebrafish

Laura Tran, PhD | | 3 min read

Cartoon showing three scientists pulling a rope that is attached to the hand of a clock, symbolizing their efforts to turn back time.

Pluripotency Superstar Oct4 Gets a Makeover

Danielle Gerhard, PhD | | 10+ min read

Image of adeno-associated viral vectors (AAVs) being injected into tadpoles and larvae. The amount of green fluorescent protein is measured in brain sections and the selected AAVs are injected and tracked in juvenile and adult frogs and salamanders.

Viruses Can Map How Amphibious Brains Are Wired

Laura Tran, PhD | | 2 min read

A greyscale image of cells dividing.

How Do Embryos Know How Fast to Develop?

Hannah Thomasy, PhD | | 2 min read

A white laboratory mouse with its pups.

In a First, Mouse Pups with Two Dads Live to Adulthood

Sneha Khedkar | | 3 min read

A side view of the head of a juvenile Nile crocodile.

Mechanics, Not Genetics, Determine Crocodile Head Scale Patterns

Sahana Sitaraman, PhD | | 4 min read

Two male scientists working in a laboratory.

A Matter of Molecular Attraction

Mariella Bodemeier Loayza Careaga, PhD | | 2 min read

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Trending

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

Universe 25 Experiment

A series of rodent experiments showed that even with abundant food and water, personal space is essential to prevent societal collapse, but Universe 25's relevance to humans remains disputed.

Image of a collage with human hands working with desktop icons in a collage style.

q.e.d: An AI Tool for Smarter Manuscript Review

A team of researchers developed q.e.d, an AI-powered system designed to deliver rigorous and constructive feedback on scientific manuscripts in minutes.

An enveloped virus forms.

Where Do Viruses Come From?

Using genomics, evolutionary biologists test several hypotheses on the origin of viruses. New evidence suggests they may have emerged more times than previously thought.

A brown dog stares at a spoon of peanut butter in front of its face with wide eyes.

Why Do Dogs Love Peanut Butter?

The reason dogs beg, sit, stay, and shake for peanut butter could be both evolutionarily wired and learned behavior.

Multimedia

Stacks of cell culture dishes, plates, and flasks with pink cell culture medium on a white background.

Driving Innovation with Cell Culture Essentials

Explore the latest in cell culture supplies, from tried and tested classics to cutting-edge innovative products.

Stacks of cell culture dishes, plates, and flasks with pink cell culture medium on a white background.

Driving Innovation with Cell Culture Essentials

Explore the latest in cell culture supplies, from tried and tested classics to cutting-edge innovative products.

December digest cover image of a wooden sculpture comprised of multiple wooden neurons that form a seahorse.

December 2025, Issue 1

Wooden Neurons: An Artistic Vision of the Brain

A neurobiologist, who loves the morphology of cells, turns these shapes into works of art made from wood.

View this Issue

Research Resources

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eBooks

Stacks of cell culture dishes, plates, and flasks with pink cell culture medium on a white background.

Driving Innovation with Cell Culture Essentials

Explore the latest in cell culture supplies, from tried and tested classics to cutting-edge innovative products.

Stacks of cell culture dishes, plates, and flasks with pink cell culture medium on a white background.

Driving Innovation with Cell Culture Essentials

Explore the latest in cell culture supplies, from tried and tested classics to cutting-edge innovative products.

Abstract wireframe sphere with colorful dots and connecting lines representing the complex cellular and molecular interactions within the tumor microenvironment.

Exploring the Inflammatory Tumor Microenvironment

Within the tumor microenvironment, networks of cells and molecular signals form a dynamic landscape that drives disease progression.

An image of a DNA sequencing spectrum with a radial blur filter applied.

A Comprehensive Guide to Next-Generation Sequencing

Individual NGS methods come with their own pros and cons, but automation optimization solutions exist for all NGS workflows.

Products

Product News

BRANDTECH® Scientific Announces Strategic Partnership with Copia Scientific to Strengthen Sales and Service of the BRAND® Liquid Handling Station (LHS)

This partnership will enable both companies to reach a broader range of customers, including those with more complex and specialized workflows

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Enter Our 2026 Top Innovations Contest

Submit a cutting-edge product or technology for the chance to be recognized as one of The Scientist’s 2026 Top Innovations.

Biotium Expands Tyramide Signal Amplification Portfolio with Brighter and More Stable Dyes for Enhanced Spatial Imaging

Biotium's new TyraMax™ Amplification Dyes and Kits are available with the widest selection of colors for spatial analysis

LabVantage Solutions Awarded $22.3 Million U.S Customs and Border Protection Contract to Deliver Next-Generation Forensic LIMS

Ten-year Agreement to Provide a Secure, AI-enabled Forensic Laboratory Information Management System Supporting DHS Forensic, Scientific, and Testing Services