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Andrew Francis Dixon (1868-1936)

By: S. Alexandra Aston | Published: Apr 01, 2014

Andrew Francis Dixon studied human anatomy and egg cells at the turn of the twentieth century in Ireland and Great Britain. Dixon studied the sensory…

Nerves, CranialPolar BodiesMeiosis

Pregnancy Tests

By: Kristin Kelley | Published: Sep 02, 2010

Throughout history methods involving urine have been a popular way to test for pregnancy. Early ideas ranged from simply observing the color of a…

TechnologyPregnancy TestsReproductionFertility

Viktor Hamburger (1900-2001)

By: Adam R. Navis | Published: Nov 08, 2007

Viktor Hamburger was an embryologist who focused on neural development. His scientific career stretched from the early 1920s as a student of Hans…

PeopleHamburger, Viktor, 1900-2001Nerve Growth FactorBiographyNeurons

The e-Mouse Atlas Project (1992- )

By: Shawn A. Miller | Published: Jun 11, 2014

The Edinburgh Mouse Atlas, also called the e-Mouse Atlas Project (EMAP), is an online resource comprised of the e-Mouse Atlas (EMA), a detailed…

TechnologyEmbryosDatabases, GeneticdevelopmentGene Expression

NovaSure Endometrial Ablation

By: Emily Santora | Published: Sep 20, 2019

NovaSure is a device for endometrial ablation, which is a procedure that removes the endometrium, that the US Food and Drug Administration, or FDA,…

TechnologyReproductionMenstruationWomen's health servicesmedical technology

Hox Genes and the Evolution of Vertebrate Axial Morphology Experiment (1995)

By: Joe Brinkman | Published: Jun 23, 2017

In 1995, researchers Ann Burke, Craig Nelson, Bruce Morgan, and Cliff Tabin in the US studied the genes that regulate the construction of vertebra in…

Homeobox genesMorphology (Animals)Genes, HomeoboxGrowth and DevelopmentExperiments

“Sex Limited Inheritance in Drosophila” (1910), by Thomas Hunt Morgan

By: Kevin Gleason | Published: May 22, 2017

In 1910, Thomas Hunt Morgan performed an experiment at Columbia University, in New York City, New York, that helped identify the role chromosomes…

DrosophilaHeredityInheritance of acquired charactersColumbia University--Graduate studentsMutation

Arthur Earl Walker (1907-1995)

By: Alexandra Bohnenberger | Published: Mar 07, 2017

Arthur Earl Walker was a medical researcher and physician who studied the brain and neurosurgery in the United States during the twentieth century.…

NeurologyBrain--Ventricles--SurgeryJohns Hopkins HospitalJohns Hopkins Hospital. Department of MedicineDandy-Walker Syndrome

David Wildt's Domestic Cat and Cheetah Experiments (1978-1983)

By: Caroline Appleton | Published: Dec 19, 2011

David Wildt's cheetah (Acinonyx jubatus) research from 1978-1983 became the foundation for the use of embryological techniques in endangered species…

Endangered SpeciesExperimentsCatsFertility

Ernst Heinrich Philipp August Haeckel (1834-1919)

By: Karen Wellner | Published: Jun 16, 2010

Ernst Heinrich Philipp August Haeckel was a prominent comparative anatomist and active lecturer in the late nineteenth and early twentieth centuries…

PeopleHaeckel, Ernst, 1834-1919Biological EvolutionBiographyEvolution