a blue embryo floating on a white background

THE EMBRYO PROJECT ENCYCLOPEDIA

Recording and contextualizing the science of embryos, development, and reproduction

Recently published

Joseph Grafton Gall (1928–2024)

Jul 20, 2026

Joseph Grafton Gall researched and taught cell biology for over seventy years in the late twentieth and early twenty-first centuries in the United…

Telomere Cell Biology Molecular Biology

“Involving Minority and Underrepresented Women in Clinical Trials: The National Centers of Excellence in Women’s Health” (2000), by Marcia Killien, Judy Ann Bigby, Victoria Champion et al.

Jul 20, 2026

In 2000, Marcia Killien and colleagues published “Involving Minority and Underrepresented Women in Clinical Trials: The National Centers of…

Clinical Trial Protocol Clinical Trials, Randomized Thalidomide

Mary Putnam Jacobi (1842–1906)

Jul 02, 2026

Mary Putnam Jacobi was a physician and researcher in the United States whose work advanced the understanding of women’s health in the late nineteenth…

Women physicians Menstruation Vivisection

Recent news

Browse by subject

Abortion Development Embryology Ethics Eugenics Evolution Genetics Law Reproduction Sex and gender Technology Stem cells

an illustration of an embryo and a uterus

See what's new over at Embryo Tales, our partnership with

ask a biologist

Go to site

The Encyclopedia has a rich collection of historical photographs and custom illustrations View images

The Embryo Project is supported by the National Science Foundation, Arizona State University, Center for Biology and Society, the Max Planck Institute for the History of Science in Berlin, and the MBL WHOI Library.