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Fetal Programming
By: Carrie Keller
| Published: Nov 03, 2020
Fetal programming, or prenatal programming, is a concept that suggests certain events occurring during critical points of pregnancy may cause…
Diabetes in pregnancyMaternal-Fetal ExchangeMetabolism in pregnancyMaternal-Fetal MedicineMothers--Nutrition
Nicole Marthe Le Douarin (1930- )
By: Brad Jacobson
| Published: Nov 17, 2010
Nicole Marthe Le Douarin was one of the first progressive female pioneers of developmental and embryological research. Some of her most notable and…
PeopleBiographyChicksBirds
The Role of the Notch signaling pathway in Somitogenesis
By: Justin M. Wolter
| Published: Mar 23, 2014
Among other functions, the Notch signaling pathway contributes to the development of somites in animals. It involves a cell signaling mechanism with…
Notch genesNotch ProteinsReceptors, NotchNotch Receptors
"Evolution and
Tinkering" (1977), by Francois Jacob
By: Valerie Racine
| Published: Oct 24, 2014
In his essay Evolution and Tinkering, published in Science in 1977, Francois Jacob argued that a common analogy between the process of evolution by…
LiteratureInstitut Pasteur (Paris, France)OperonsGenetic regulationNobel Prizes
The Boys from Brazil (1978)
By: Grace Kim
| Published: Jun 09, 2017
The Boys from Brazil is a science fiction film based on the novel of the same name by Ira Levin about an underground neo-Nazi society in South…
LiteratureEugenicsGenetic EngineeringReproductive technologyBiotechnology
Biological Sex and Gender in the United States
By: Risa Aria Schnebly
| Published: Jun 13, 2022
In the United States, most people are assigned both a biological sex and gender at birth based on their chromosomes and reproductive organs.…
GenderGender-nonconforming peopleGender transitionGender expressionGender Nonconformity
Jelly Fish and Green Fluorescent Protein
By: Anna Guerrero
| Published: Feb 06, 2017
The crystal jellyfish, Aequorea victoria, produces and emits light, called bioluminescence.
Green fluorescent proteinFluorescent polymersProteinsBiofluorescenceLuminescence
Beadle and Tatum's 1941 Experiments with Neurospora Revealed that Genes Produce Enzymes
By: Amy Pribadi
| Published: Oct 12, 2016
This illustration shows George Beadle and Edward Tatum's experiments with Neurospora crassa that indicated that single genes produce singl
Neurospora crassaMicrobiologyX-raysGeneticsEnzymes
Angelman Syndrome
By: Jonathan North
| Published: Aug 12, 2014
Angelman syndrome is a disorder in humans that causes neurological symptoms such as lack of speech, jerky movements, and insomnia. A human cell has…
Angelman syndromeGenomic imprintingHuman chromosome 15--AbnormalitiesHuman chromosome 15Happy Puppet Syndrome
Leonard Hayflick (1928- )
By: Zane Bartlett
| Published: Jul 20, 2014
Leonard Hayflick studied the processes by which cells age during the twentieth and twenty-first centuries in the United States. In 1961 at the Wistar…
PeopleCellsCell populationsCell DeathApoptosis