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Edmund Beecher Wilson (1856-1939)
By: Jane Maienschein
| Published: Aug 05, 2013
Edmund Beecher Wilson contributed to cell biology, the study of cells, in the US during the end of the nineteenth and the beginning of the twentieth…
EmbryologyCellsCytologyHeredityEvolution
Martin Couney and Incubator Exhibits from 1896 to 1943
By: Kelsey Locey
| Published: Jul 20, 2017
During the late 1800s and early 1900s, physician Martin Couney held incubator exhibits to demonstrate the efficacy of infant incubators throughout…
IncubatorsConey Island (New York, N.Y.)Premature InfantsLuna Park (New York, N.Y.)Dreamland (New York, N.Y.)
Effects of Prenatal Alcohol Exposure on Basal Ganglia Development
By: Erica O'Neil
| Published: Apr 24, 2011
Prenatal exposure to alcohol (ethanol) in human and animal models results in a range of alcohol-induced developmental defects. In humans, those…
fetal alcohol syndromeReproductionHuman Development
Roman Catholic Church Quickening
By: Katherine Brind'Amour
| Published: Nov 11, 2007
Although the concept of quickening was not developed initially by the Roman Catholic Church, much of their histories are intertwined. Quickening, the…
Human DevelopmentreligionFetusAbortionCatholicism
Acyclovir for the Treatment of Herpes
By: Eboni E. Andersun
| Published: Aug 08, 2024
Acyclovir is an antiviral medication that scientists developed in the twentieth century to treat herpes, a disease caused by the viruses herpes…
AcyclovirAntiherpes CremeZoviraxGenital HerpesHerpes Simplex Virus 1
Inducing Fertilization and Development in Sand Dollars
By: Karen Wellner
| Published: Jun 24, 2010
Sand dollars are common marine invertebrates in the phylum Echinodermata and share the same class (Echinoidea) as sea urchins. They have served as…
Sand DollarsFertilizationInvertebrates
The Dalkon Shield
By: Rainey Horwitz
| Published: Jan 10, 2018
The Dalkon Shield was an intrauterine contraceptive device (IUD) that women used in the early 1970s and 1980s. Produced by the A.H. Robins Company in…
TechnologyDalkon Shield (Intrauterine contraceptive)Intrauterine contraceptivesCopper intrauterine contraceptivesContraceptives
Conrad Hal Waddington (1905-1975)
By: Adam R. Navis
| Published: Nov 08, 2007
Conrad Hal Waddington was an embryologist and theoretical biologist. His early experimental work investigated aspects of embryonic induction and the…
EpigenomicsEpigeneticsBiography
Quickening
By: Katherine Brind'Amour
| Published: Oct 30, 2007
Quickening, the point at which a pregnant woman can first feel the movements of the growing embryo or fetus, has long been considered a pivotal…
Human DevelopmentethicsReproductionFetusAbortion
Chorionic Villus Sampling
By: Katherine Brind'Amour
| Published: Jan 21, 2009
Chorionic villus sampling (CVS) is a test used for prenatal diagnosis. Safe to perform at an earlier stage in pregnancy than amniocentesis, CVS is…
TechnologyChorionic Villus SamplingChorionic Villi SamplingReproduction