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Bicoid
By: Jack Resnik
| Published: Jun 02, 2012
Bicoid is the protein product of a maternal-effect gene unique to flies of the genus Drosophila . In 1988 Christiane Nüsslein-Volhard identified…
Nüsslein-Volhard, C. (Christiane)EmbryosMorphogenesisTuring, Alan, 1912-1954Morgan, Thomas Hunt, 1866-1945
Richard Woltereck (1877-1944)
By: B. R. Erick Peirson
| Published: May 13, 2012
Richard Woltereck was a German zoologist and hydrobiologist who studied aquatic animals and extended the concept of Reaktionsnorm (norm of reaction)…
PeopleEvolutionHeredityEmbryologyAquatic animals
Victor Ambros (1953-)
By: May Catherine, Justin M. Wolter
| Published: May 13, 2012
Victor Ambros is a professor of molecular medicine at the University of Massachusetts Medical School, and he discovered the first microRNA (miRNA) in…
PeopleRNAGenesEmbryosCaenorhabditis elegans
The Source-Sink Model
By: Jack Resnik
| Published: May 07, 2012
The source-sink model, first proposed by biologist Francis Crick in 1970, is a theoretical system for how morphogens distribute themselves across…
Crick, Francis, 1916-2004Nobel Prize winnersEmbryosMorphogenesisGenes
"On the Permanent Life of Tissues outside of the Organism" (1912), by Alexis Carrel
By: Lijing Jiang
| Published: May 06, 2012
'On the Permanent Life of Tissues outside of the Organism' reports Alexis Carrel's 1912 experiments on the maintenance of tissue in culture media. At…
Tissue cultureStem CellsStem cells--ResearchEmbryologyGerm Cells
"How do Embryos Assess Risk? Vibrational Cues in Predator-Induced Hatching of Red-Eyed Treefrogs" (2005), by Karen Warkentin
By: Karla T. Moeller
| Published: Apr 07, 2012
In 'How do Embryos Assess Risk? Vibrational Cues in Predator-Induced Hatching of Red-Eyed Treefrogs' (2005), Karen Warkentin reported on experiments…
EmbryosRed-eyed treefrogPredation (Biology)Science experimentsAmphibians--Eggs
Leo Loeb (1869-1959)
By: Megan Kearl
| Published: Apr 06, 2012
Leo Loeb developed an experimental approach to studying cancer and pioneered techniques for tissue culture and in vitro tissue transplantation which…
PeopleMarine Biological Laboratory (Woods Hole, Mass.)Embryology, ExperimentalTissue cultureEmbryos
Rudolf Carl Virchow (1821-1902)
By: Megan Kearl
| Published: Mar 17, 2012
Rudolf Carl Virchow lived in nineteenth century Prussia, now Germany, and proposed that omnis cellula e cellula, which translates to each cell comes…
PeopleCellsPathology, CellularPathology, Comparativepublic health
In the Womb: Identical Twins (2009), by National Geographic
By: Maggie Pingolt
| Published: Mar 08, 2012
National Geographic's documentary In the Womb: Identical Twins focuses on the prenatal development of human identical twins. Director Lorne Townend…
LiteratureTwinsDocumentary filmsTestosteroneMethylation
Gonzales v. Carhart (2007)
By: Mark Zhang
| Published: Feb 28, 2012
In Gonzales v. Carhart (2007), the US Supreme Court held in a five-to-four decision that the 2003 Partial-Birth Abortion Ban Act passed by the US…
LawAbortionDilatation and extraction abortionFetusPregnancy