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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
"Behavioral Thermoregulation by Turtle Embryos" (2011), by Wei-Guo Du, Bo Zhao, Ye Chen, and Richard Shine
By: Karla Moeller
| Published: Sep 20, 2012
In "Behavioral Thermoregulation by Turtle Embryos," published in Proceedings of the National Academy of Sciences in April, 2011, Wei-Guo Du, Bo Zhao…
EmbryosBody temperature--RegulationTurtlesEvolutionary developmental biologyEvolution (Biology)
Albrecht von Haller (1708-1777)
By: Cera R. Lawrence
| Published: Sep 22, 2008
Victor Albrecht von Haller was an 18th century scientist who did extensive work in the life sciences, including anatomy and physiology, botany, and…
OvumOvaFetus
Isotretinoin (Accutane) as a Teratogen
By: Chanapa Tantibanchachai
| Published: Jul 20, 2014
Isotretinoin is a molecule and a byproduct (metabolite) of vitamin A, and in greater than normal amounts in pregnant women, it can cause fetal…
Teratogenic agentsVitamin AIsotretinoinAbnormalities, HumanTeratogens
John Hunter (1728–1793)
By: Nevada Wagoner
| Published: Feb 17, 2017
John Hunter studied human reproductive anatomy, and in eighteenth century England, performed one of the earliest described cases of artificial…
Artificial InseminationDeadBody snatchingPregnancyAnatomy
The Germ-Plasm: a Theory of Heredity (1893), by August Weismann
By: Yawen Zou
| Published: Jan 26, 2015
Friedrich Leopold August Weismann published Das Keimplasma: eine Theorie der Vererbung (The Germ-Plasm: a Theory of Heredity, hereafter The Germ-…
LiteratureWeismann, August, 1834-1914. Keimplasma. EnglishGerm CellsHeredityInheritance of acquired characters
Revive & Restore’s Woolly Mammoth Revival Project
By: Risa Aria Schnebly
| Published: Jan 19, 2021
In 2015, Revive & Restore launched the Woolly Mammoth Revival Project with a goal of engineering a creature with genes from the woolly mammoth…
conservationAnimal diversity conservationWildlife conservationgene editingbioethics
“The Treatment of Early Syphilis with Penicillin: A Preliminary Report of 1418 Cases” (1944), by Joseph Earle Moore, J. F. Mahoney, Walter Schwartz, Thomas Sternberg, and W. Barry Wood
By: Srivatsan Swaminathan
| Published: Aug 13, 2024
In 1944, Joseph Earl Moore and colleagues published “The Treatment of Early Syphilis with Penicillin: A Preliminary Report of 1418 Cases,” hereafter…
SyphilisTreponema pallidumPenicillinsAntibiotics, PenicillinPenicillin
John Spangler Nicholas (1895-1963)
By: Ellen M. DuPont
| Published: Jul 23, 2008
John Spangler Nicholas, an American biologist, was born on 10 March 1895 in Allegheny, Pennsylvania. He was the only child of Elizabeth Ellen…
PeopleBiographyMammalsAmphibians
Recombinant Gonadotropins Used in Fertility Treatments
By: Alison Lane
| Published: Oct 26, 2020
First manufactured in 1988 by Serono laboratories, recombinant gonadotropins are synthetic hormones that can stimulate egg production in women for…
TechnologyRecombination, GeneticGenetic recombination--ResearchLuteinizing HormoneGonadotropin