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“Causes of Male Infertility: A 9-year Prospective Monocentre Study on 1737 Patients with Reduced Total Sperm Counts” (2016), by Margus Punab, Oliv Poolamets, Piia Paju, Vladimir Vihljajev, Kristjan Pomm, Ruth Ladva, Paul Korrovits, and Maris Laan
By: Logan Hunt
| Published: Sep 20, 2024
In December of 2016, Margus Punab and colleagues published “Causes of Male Infertility: A 9-year Prospective Monocentre Study on 1737 Patients with…
Sperm CountSperm NumberSperm TailSpermSperm Motility
Alan Osborne Trounson (1946– )
By: Whitney Alexandra Tuoti
| Published: Aug 01, 2024
Alan Osborne Trounson is a scientist from Australia who studies embryology and stem cells. His research has improved the success rates of in vitro…
Fertilization in VitroFertilizations in VitroIn vitro fertilizationTest-Tube FertilizationIn Vitro Techniques
Germ-Free Animals
By: Maggie Zhou
| Published: May 24, 2024
Germ-free, or GF, animals are laboratory animals that completely lack microbes, making them useful tools for microbiome research. Researchers create…
Germ-Free LifeMicrobiome, HumanGut MicrobiomeBrain-Gut AxisGermfree animals
Experiments on the Reproductive Costs of a Pure Capital Breeder, the Children’s Python (Antaresia childreni) (2013), by Olivier Lourdais, Sophie Lorioux, and Dale F. DeNardo
By: Brittany Kaminsky
| Published: Jan 03, 2018
In 2013, Olivier Lourdais, Sophie Lorioux, and Dale DeNardo conducted a study on the impact of the reproductive effort on the muscle size and the…
Snakes--PhysiologyPythonsVitellogenesisSnakes--ReproductionEggs--Incubation
San Diego Zoo Institute for Conservation Research
By: Karen Love
| Published: Jun 12, 2017
The San Diego Zoo Institute for Conservation Research (SDZICR) in San Diego, California, is a research organization that works to generate, use, and…
OrganizationpreservationGeneticsEndangered SpeciesDNA
Sheldon Clark Reed (1910-2003)
By: Cassidy Possehl
| Published: Jun 10, 2017
Sheldon Clark Reed helped establish the profession of genetic counseling in the US during the twentieth century. In 1947 Reed coined the term genetic…
Genetic CounselingCystic FibrosisDrosophilaGeneticsHmong Americans
Beadle and Ephrussi's Transplantation Technique for Drosophila
By: Divyash Chhetri
| Published: Jun 29, 2014
Boris Ephrussi and George Wells Beadle developed a transplantation technique on flies, Drosophila melanogaster, which they described in their 1936…
TechnologyTissue ExtractsGenesTransplantation of organs, tissues, etc.Tissue Transplantation
Anencephaly
By: Jesse King
| Published: Feb 13, 2013
Anencephaly is an open neural tube defect, meaning that part of the neural tube does not properly close or that it has reopened during early…
fetal developmentFetus--AbnormalitiesBirth DefectsEmbryologyPregnancy
Alexis Carrel's Immortal Chick Heart Tissue Cultures (1912-1946)
By: Lijing Jiang
| Published: Jul 03, 2012
In an effort to develop tissue culture techniques for long-term tissue cultivation, French surgeon and biologist Alexis Carrel, and his associates,…
Carrel, Alexis, 1873-1944Tissue cultureCellsGerm CellsEmbryos
Nicole Marthe Le Douarin (1930- )
By: Brad Jacobson
| Published: Nov 17, 2010
Nicole Marthe Le Douarin was one of the first progressive female pioneers of developmental and embryological research. Some of her most notable and…
PeopleBiographyChicksBirds