A white laboratory mouse with its pups.

| 3 min read

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

By using genetic material from two male mice, researchers successfully created pups that survived to adulthood, offering insights into unisexual reproduction in mammals.

Multicolored microscopy image of a blood generating-heart forming organoid on a black background, showing the various cell types that make up the organoid.

| 4 min read

Scientists Get to the Heart of Blood Formation

Image of an embryo built from Lego bricks showing cell populations in green and red.

| 10+ min read

Stem Cell-Based Embryo Models Add a Dimension to Developmental Biology

embryonic development

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).

Infographic: The Many Paths to Stem Cell-Based Embryo Models

Shelby Bradford, PhD | | 5 min read

Confocal image of a developing embryo with blue-labeled nuclei and orange stained edges.

Unraveling the Complex Mysteries of Embryonic Beginnings

Shelby Bradford, PhD | | 6 min read

A mouse stands behind a toy table with two pieces of food on it.

A Protein-Sensing Molecular Switch Alters Facial Features

Shelby Bradford, PhD | | 3 min read

A developing embryo with DNA labeled blue, cell boundaries labeled pink, and certain cells fluorescing green.

The First Two Cells in a Human Embryo Contribute Unequally to Fetal Development

Shelby Bradford, PhD | | 4 min read

Fluorescent microscopy image of an embryo model representing four tissue layers of this developmental stage. Cyan-labeled cells are clustered at the top of an ovoid structure, underneath them are yellow-labeled cells and under them red-labeled cells, and surrounding all three layers are white labeled cells.

The First Human Embryo Model From Embryonic Stem Cells

Shelby Bradford, PhD | | 2 min read

Embryonic gecko hand

Science Snapshot: Show of Hands

Lisa Winter | | 1 min read

Illustration of a human and Neanderthal skull side by side.

Mutation Linked to Difference Between Human and Neanderthal Brains

Dan Robitzski | | 5 min read

microscope image series showing synthetic embryo development

Mouse Embryo: No Sperm, Egg, or Uterus Required

Christie Wilcox, PhD | | 3 min read

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

Viviane Callier | | 3 min read

Photo of older woman dressed in blue smiling and looking at the camera

Cancer Researcher Beatrice Mintz Dies at 100

Natalia Mesa, PhD | | 2 min read

Conceptual image of an embryo with sound waves

Embryonic Eavesdropping: How Animals Hear and Respond to Sound

Amanda Heidt | | 10+ min read

silhouette of a chimpanzee swinging against a blue sky

Alu Leap May Explain Why Apes Don’t Have Tails

Annie Melchor | | 2 min read

Human-Monkey Chimeras Shed Light on Development

Abby Olena, PhD | | 3 min read

Lab-Grown Mouse Embryos Form Limbs and Organs

Lisa Winter | | 3 min read

Identical Twins Accumulate Genetic Differences in the Womb

Catherine Offord | | 4 min read

Early Embryo Models Generated from Mouse Stem Cells

Abby Olena, PhD | | 4 min read

Image of the Day: Cellular Tracks

Carolyn Wilke | | 1 min read

First Mouse Embryos Made from Two Fathers

Abby Olena, PhD | | 3 min read

Image of the Day: The Birth of a Nervous System

Jef Akst | | 1 min read

In Their Earliest Days, Embryos Record Their Environments

Kerry Grens | | 4 min read

Page 1 of 2 - 30 Total Items

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.

A red male cardinal and a brownish female sit on a branch in front of a green background.

Sex Determination: It’s in the Genes—Sometimes

Animals across the tree of life have developed a mind-boggling variety of ways to become male or female.

A group of large animals, some of which are being studied for cancer resistance genes and proteins, are pictured, including a bison, an elephant, a giraffe, a manatee, a zebra, and a whale.

Peto’s Paradox: How Gigantic Species Evolved to Beat Cancer

Scientists dive into the genomes of whales, elephants, and other animal giants looking for new weapons in the fight against cancer.

A cross-section of a mouse brain with staining for NOVA1 and cell nuclei.

Strange Squeaks: A Uniquely Human Gene Alters Mouse “Songs”

A human-specific NOVA1 variant changed mouse vocalizations, potentially providing insights into the evolution of language.

Multimedia

Discover the history, mechanics, and potential of PCR.

Become a PCR Pro

Learn how mastering the ins and outs of PCR can accelerate workflows and improve data.

Understanding Disease Through Biomarkers

Understanding Disease Through Biomarkers

Learn how scientists identify and characterize biomarkers for cancer, neurodegenerative diseases, and autoimmune disorders.

A greyscale image of cells dividing.

March 2025, Issue 1

How Do Embryos Know How Fast to Develop

In mammals, intracellular clocks begin to tick within days of fertilization.

View this Issue

Research Resources

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Discover the history, mechanics, and potential of PCR.

Become a PCR Pro

Learn how mastering the ins and outs of PCR can accelerate workflows and improve data.

Explore polypharmacology’s beneficial role in target-based drug discovery

Embracing Polypharmacology for Multipurpose Drug Targeting

Polypharmacology allows scientists to explore novel therapeutic purposes for existing drugs and opens new doors to treat multifactorial diseases.

3D rendered cross section of influenza viruses, showing surface proteins on the outside and single stranded RNA inside the virus

Genetic Insights Break Infectious Pathogen Barriers

Molecular detection technologies help scientists rapidly and reliably find and address ever-evolving pathogens with optimal accuracy and sensitivity.

A photo of sample storage boxes in an ultra-low temperature freezer.

Navigating Cold Storage Solutions

Discover the key features to consider when selecting a new refrigerator or freezer

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Gilead’s Capsid Revolution Meets Our Capsid Solutions: Sino Biological – Engineering the Tools to Outsmart HIV

On February 18, 2025, Gilead Sciences announced a significant milestone: the U.S. FDA accepted their New Drug Applications (NDAs) for lenacapavir (LEN), a groundbreaking twice-yearly injectable HIV-1 capsid inhibitor for pre-exposure prophylaxis (PrEP).

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Evotec Announces Key Progress in Neuroscience Collaboration with Bristol Myers Squibb

• Ongoing strategic partnership advances joint pipeline in neurodegeneration research
• Evotec receives a $20 million payment to further progress research

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