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Summa Theologica by St. Thomas Aquinas
By: Katherine Brind'Amour
| Published: Nov 11, 2007
The principal work of St. Thomas Aquinas, the Summa Theologica is divided into three parts and is designed to instruct both beginners and experts in…
LiteratureThomas, Aquinas, Saint, 1225?-1274religionCatholicismHuman Development
Joseph Needham (1900-1995)
By: Adam R. Navis
| Published: Nov 01, 2007
Joseph Needham was an embryologist and biochemist who is most noted in science for his studies on induction in developing embryos. Needham worked…
PeopleEmbryonic InductionBiography
Telomerase in Human Development
By: Zane Bartlett
| Published: Mar 23, 2015
Telomerase is an enzyme that regulates the lengths of telomeres in the cells of many organisms, and in humans it begins to function int the early…
TelomeraseTelomereDNAMolecular BiologySomatic embryogenesis
George W. Bush Executive Order 13455, June 2007
By: Aroob Khokhar
| Published: Jul 01, 2010
On 20 January 2001, Republican George W. Bush was sworn in as the forty-third president of the United States, replacing Democrat William J. Clinton.…
LawBush, George W. (George Walker), 1946-Stem CellsFetus
Congenital Vertebral Defects
By: Corinne DeRuiter
| Published: Sep 12, 2010
The spinal column is the central structure in the vertebrate body from which stability, movement, and posture all derive. The vertebrae of the spine…
Congenital, Hereditary, and Neonatal Diseases and AbnormalitiesReproductionVertebratesCongenital Disorders
Environment and Birth Defects (1973), by James G. Wilson
By: S. Alexandra Aston
| Published: Jun 21, 2014
Environment and Birth Defects by James Graves Wilson in the US was published in 1973. The book summarized information on the causes of malformations…
LiteratureBirth DefectsAbnormalities, HumanTeratogensTeratology
No-scalpel Vasectomy
By: Cole Nichols
| Published: Jul 04, 2022
No-scalpel vasectomy, or NSV or keyhole vasectomy, is a surgical method of sterilization that involves puncturing the skin of the scrotum to access…
TechnologySterilizationVasectomyMale SterilizationFamily Planning
"The Premenstrual Syndrome" (1953), by Raymond Greene and Katharina Dalton
By: Bianca E. Zietal
| Published: Jun 23, 2017
In 1953, Raymond Greene and Katharina Dalton, who were doctors in the UK, published The Premenstrual Syndrome in the British Medical Journal. In…
LiteraturePremenstrual syndromeMigraineMenstruationMenstruation disorders
The Organism as a Whole: From a Physicochemical Viewpoint (1916), by Jacques Loeb
By: Steve Elliott
| Published: May 06, 2010
Jacques Loeb published The Organism as a Whole: From a Physicochemical Viewpoint in 1916. Loeb's goal for the book was to refute the claim that…
LiteraturePublications