Embryoid bodies, at the top of the page, are a cluster of embryonic stem cells (ESCs) that differentiate portions into ectoderm (orange), mesoderm (dark blue), and endoderm (pink).
| 5 min read
Culturing pluripotent stem cells to replicate different stages of embryonic development allows researchers to more easily investigate this period.

embryo

microscope image series showing synthetic embryo development

Mouse Embryo: No Sperm, Egg, or Uterus Required

Microscopy image of a cricket embryo, illuminated in green, pinched near one end, with one side full of bright green dots representing cell nuclei

How Wandering Nuclei Shape Developing Embryos

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Opinion: The Reproductive Technology Advances No One Asked For

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Cancer Researcher Beatrice Mintz Dies at 100

Multiple purple and pink renditions of stem cells appear as spherical clusters enveloped in translucent bubbles

Mammalian Embryos Might Not Need Primitive Streaks After All

Illustration showing how seagull chicks know when predators are lurking

Infographic: Animal Embryos Coopt Sound to Survive and Thrive

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Slideshow: How Animal Embryos Eavesdrop on the Outside World

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How to Grow a Mouse Embryo in a Dish

Illustration of two rats, one male and one female, that are surgically joined. The male has a uterus transplanted in, and both have embryos transplanted into their uteruses.

Study that Impregnated Male Rats Stirs Controversy

lewis wolpert obituary developmental biology embryo 14 day rule

High Profile Developmental Biologist Lewis Wolpert Dies at 91

Panel Lays Out Guidelines for CRISPR-Edited Human Embryos

Image of the Day: Brainless Frogs

A Woman of Firsts, Early 20th Century

China Sentences Gene-Editing Scientist to Three Years in Jail

Photos of the Year

Early Embryo Models Generated from Mouse Stem Cells

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First Human–Monkey Chimeras Developed in China

chinese pond turtle embryo temperature-dependent sex climate change

Turtle Embryos May Have a Say in Deciding Their Sex

Scientists Push for a Moratorium on Human Germline Editing

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Doctors Report World’s Second Case of “Semi-Identical” Twins

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How the Brain Chooses to Eat or Exercise

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Moon Cycles and Menstrual Cycles

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Scaling Lentiviral Vector Manufacturing for Optimal Productivity

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Enhancing Therapeutic Antibody Discovery with Cross-Platform Workflows

Enhancing Therapeutic Antibody Discovery with Cross-Platform Workflows

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February 2025, Issue 1

A Nanoparticle Delivery System for Gene Therapy

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Enhancing Therapeutic Antibody Discovery with Cross-Platform Workflows

Enhancing Therapeutic Antibody Discovery with Cross-Platform Workflows

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Considerations for Cell-Based Assays in Immuno-Oncology Research

Considerations for Cell-Based Assays in Immuno-Oncology Research

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From Water Bears to Grizzly Bears: Unusual Animal Models

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Sex Differences in Neurological Research

Sex Differences in Neurological Research

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Scaling Lentiviral Vector Manufacturing for Optimal Productivity

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Putting Pathogens to the Test with Wastewater Surveillance

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Generating High-Quality mRNA for In Vivo Delivery with lipid nanoparticles

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Tecan introduces Veya: bringing digital, scalable automation to labs worldwide