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Progestin: Synthetic Progesterone
By: Aliya Buttar, Sheraden Seward
| Published: Nov 17, 2008
Progestin is a synthetic form of progesterone, a naturally occurring hormone, which plays an important role in the female reproductive cycle. During…
TechnologyProgesteroneReproductionContraception
Pope John Paul II (1920-2005)
By: Benjamin Garcia, Katherine Brind'Amour
| Published: Nov 11, 2007
Pope John Paul II's views on abortion and embryology have been very influential to the Roman Catholic Church. He strictly forbade abortion and other…
religionReproductionCatholicismPopesAbortion
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
Edward Donnall Thomas (1920-2012)
By: Angel Lopez
| Published: Nov 19, 2010
Edward Donnall Thomas, an American physician and scientist, gained recognition in the scientific community for conducting the first bone marrow…
Stem CellsBiographyRegeneration
Amniocentesis Prior to 1980
By: Kristin Kelley
| Published: Sep 02, 2010
The extraembryonic membranes that surround and originate from the embryos of vertebrates such as birds, reptiles, and mammals are crucial to their…
AmniocentesisReproductionFetus
James David Ebert (1921-2001)
By: Sheraden Seward
| Published: Sep 12, 2008
James David Ebert studied the developmental processes of chicks and of viruses in the US during the twentieth century. He also helped build and grow…
PeopleBiographyCarnegie Institution of WashingtonLaboratories
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
Penicillin
By: Srivatsan Swaminathan
| Published: Aug 12, 2024
Penicillin is a type of drug called an antibiotic that can treat bacterial infections by killing the bacteria or making it difficult for the bacteria…
Antibiotics, PenicillinStaphylococcusAntibacterial Drug ResistanceSyphilisDrug Development
Menstrual Tampon
By: Rainey Horwitz
| Published: May 25, 2020
Menstrual tampons are feminine hygiene devices, usually made of absorbent cotton, that are temporarily inserted into the vagina for absorbing a woman…
TechnologyTamponsTampons--ComplicationsMenstruationMenstrual Cycle
Oliver Allison Ryder III (1946– )
By: Bailey Renee, Karen Love
| Published: Sep 14, 2017
Oliver Allison Ryder studied chromosomal evolution and endangered species in efforts for wildlife conservation and preservation at the San Diego Zoo…
San Diego ZooEscherichia coliPrzewalski's horseQuaggaBenirschke, Kurt