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George Herbert Hitchings (1905–1998)

By: Eboni E. Andersun | Published: Jun 25, 2024

George Herbert Hitchings researched and developed medications that targeted specific parts of DNA replication processes to treat cancers and various…

Nucleoside analogDNA ReplicationDrug DevelopmentAcyclovirPharmacology

Gattaca (1997)

By: Grace Kim | Published: Feb 09, 2017

Gattaca is a 1997 science fiction film produced in the US that depicts a future society that uses reproductive technology and genetic engineering in…

LiteratureEugenicsGenetic EngineeringReproductive technologyBiotechnology

Retinoids As Teratogens

By: Chanapa Tantibanchachai | Published: Feb 28, 2014

Vitamin A (retinol) is an essential vitamin in the daily functioning of human beings that helps regulate cellular differentiation of epithelial…

RetinoidsVitamin A in the bodyTeratogenicity testingAbnormalities, HumanTeratogenic agents

Cocaine as a Teratogen

By: Mark Zhang, Chanapa Tantibanchachai | Published: Oct 17, 2013

Cocaine use by pregnant women has a variety of effects on the embryo and fetus, ranging from various gastro-intestinal and cardiac defects to tissue…

CocaineCocaine abusePregnancyEmbryosFetus

The Debate over DNA Replication Before the Meselson-Stahl Experiment (1953–1957)

By: Victoria Hernandez | Published: Jan 03, 2018

Between 1953 and 1957, before the Meselson-Stahl experiment verified semi-conservative replication of DNA, scientists debated how DNA replicated. In…

ChromosomesCalifornia Institute of TechnologyCold Spring Harbor LaboratoryDNA Replication

Wolbachia

By: Karine Prevot | Published: Jan 29, 2015

Bacteria of the genus Wolbachia are bacteria that live within the cells of their hosts. They infect a wide range of arthropods (insects, arachnids…

WolbachiaBacteriaHost-bacteria relationshipsHost-parasite relationshipsArthropods

Victor Jollos (1887-1941)

By: B. R. Erick Peirson | Published: Sep 16, 2014

Victor Jollos studied fruit flies and microorganisms in Europe and the US, and he introduced the concept of Dauermodifikationen in the early 1900s.…

ParameciumDrosophilaHeredityProtistaprotozoology

The Pasteur Institute (1887- )

By: Valerie Racine | Published: Aug 19, 2014

L'Institut Pasteur (The Pasteur Institute) is a non-profit private research institution founded by Louis Pasteur on 4 June 1887 in Paris, France. The…

OrganizationBacteriaGenetic regulationOperonsMolecular genetics

Wilhelm August Oscar Hertwig (1849-1922)

By: Benjamin Garcia, Katherine Brind'Amour | Published: Nov 01, 2007

Wilhelm August Oscar Hertwig contributed to embryology through his studies of cells in development and his discovery that only one spermatozoon is…

PeopleFertilizationBiographySpermOva