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Rhinos on the plains of the Serengeti
A Stem Cell Zoo Reveals Surprising Differences in Embryogenesis
By comparing stem cells from six mammals of different sizes, scientists discovered stark differences in embryonic development paces.
A Stem Cell Zoo Reveals Surprising Differences in Embryogenesis
A Stem Cell Zoo Reveals Surprising Differences in Embryogenesis

By comparing stem cells from six mammals of different sizes, scientists discovered stark differences in embryonic development paces.

By comparing stem cells from six mammals of different sizes, scientists discovered stark differences in embryonic development paces.

Developmental Biology

On the left is a normally developing mouse embryo, on the right is a slightly larger mouse embryo that also contains horse cells that glow green.
Chimera research opens new doors to understanding and treating disease
Hannah Thomasy, PhD, Drug Discovery News | Aug 9, 2023 | 10 min read
Animals with human cells could provide donor organs or help us understand neuropsychiatric disorders.
Chromosome with gold band
Immunity Genes May Play a Role in Down Syndrome
Kamal Nahas, PhD | Jul 6, 2023 | 4 min read
Extra copies of four interferon receptor genes found on human chromosome 21 trigger developmental changes in a mouse model of Down syndrome.
Image of in vitro fertilization
Should the scientific community abandon the 14-day rule for research on human embryos?
Ida Emilie Steinmark, PhD | Jul 5, 2023 | 2 min read
Research on human embryos is usually limited to the first 14 days of development, but as scientific capabilities improve, some argue that it is time to go further.
A fluorescence microscopy image of placenta tissue made up of cells dyed blue, purple, pink and green on a black background.
The Cellular Intricacies of the Human Placenta
Ida Emilie Steinmark, PhD | Jul 5, 2023 | 2 min read
Rare samples saved 35 years ago helped researchers map gene expression and cell differentiation in first trimester placentas.
Best Practices for Organoid Technologies
Best Practices for Organoid Technologies 
The Scientist | Jun 20, 2023 | 1 min read
Dosh Whye will discuss best practices for organoid modeling and how researchers leverage the latest technologies to achieve their goals.
Photo of Claudia Gerri
Claudia Gerri Studies the Mysteries of the Placenta
Katherine Irving | Feb 1, 2023 | 3 min read
At the Max Planck Institute of Molecular Cell Biology and Genetics, the developmental biologist is probing the maternal-fetal interface across mammalian species.
a human neuron illuminated in bright green on a black background.
Mitochondrial Metabolism Dictates Neurons’ Growth Rate
Katherine Irving | Jan 30, 2023 | 4 min read
Altering the rate of respiration in mitochondria changes how fast neurons grow, making mouse neurons grow more like human ones and vice versa, a study finds.
Collage of faces
Remembering Those We Lost in 2022
Lisa Winter | Dec 26, 2022 | 5 min read
A look at some noteworthy scientists who died this year, leaving behind a legacy of research excellence.
Key Strategies for Better Stem Cell Workflows
Solutions for Optimizing Stem Cell Therapy Development
Sartorius | Dec 6, 2022 | 1 min read
Discover how process knowledge is integral to stem cell workflow improvement and optimization.
A colored microscopy image showing cells that are dying in yellow and healthy cells in blue 
Sweet Taste Receptors Regulate Proteins in Developing Fruit Flies
Tess Joosse | Nov 14, 2022 | 2 min read
An unexpected find shows that sweet-sensing receptors also help epithelial cells in Drosophila larvae stay alive amid proteotoxic stress.
Embryonic gecko hand
Science Snapshot: Show of Hands
Lisa Winter | Oct 28, 2022 | 1 min read
This image took the top prize at the 2022 Nikon Small World Photomicrography Competition.
A composite headshot of Camila Behrensen (left) and Pablo Guzmán Palma (right)
Two Allegedly Murdered Scientists Found in Apartment Fire
Amanda Heidt | Oct 5, 2022 | 2 min read
Emergency responders arrived at a structure fire in Kansas City to find the two graduate students suffering from “apparent trauma” before they were declared dead at the scene.
Medical illustration depicting self-renewal of a single stem cell dividing into two identical cells.<br><br>
What Is Stemness and Pluripotency?
Deanna MacNeil, PhD | Sep 30, 2022 | 5 min read
Scientists study pluripotent stems cells to understand early development and how to use them in regenerative medicine, disease modeling, and drug discovery.
Fluorescent view of a zebrafish embryo
Science Snapshot: Do the Locomotion
Lisa Winter | Sep 29, 2022 | 1 min read
The top winner of the 2022 Nikon Small World in Motion contest shows cells migrating through a zebrafish embryo.
person with lab coat and blue gloves holding tray with pink liquid <br><br>
Scientists Consider How Overturning Roe Might Affect Research
Natalia Mesa, PhD | Sep 7, 2022 | 6 min read
Researchers who work with materials such as fetal tissue and human embryonic stem cells are facing new restrictions, the latest in a long line of regulations, that could impede important advances.
LAKSAMEE CAVE
Clinton Cave Investigates How Brain Cells Communicate
Andy Carstens | Sep 1, 2022 | 3 min read
The Middlebury College neuroscientist explores enzymes that affect brain cell development and neurodegeneration.
A Brief History of Stem Cells
Scientific Breakthroughs with Stem Cells
Nele Haelterman, PhD | Aug 26, 2022 | 1 min read
Discover the various ways scientists bolster stem cells to understand and cure disease.
Karyotype with most chromosomes in blue, one in red and green.&nbsp;
Researchers Fuse Mouse Chromosomes in Scientific First
Natalia Mesa, PhD | Aug 25, 2022 | 4 min read
The findings will likely help elucidate the effects of chromosome fusions, which can cause disease but have also contributed to evolution.
Hematopoietic Stem Cells
Hematopoietic Stem Cells and Their Role in Development and Disease Therapy
Jennifer Zieba, PhD | Aug 24, 2022 | 5 min read
Hematopietic stem cells (HSCs) are multipotent cells found in the blood and bone marrow with the ability to self-renew and differentiate into multiple cell types during bone marrow hematopoiesis
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