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"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
Homeobox Genes and the Homeobox
By: Brad Jacobson
| Published: Oct 11, 2010
Homeobox genes are a cluster of regulatory genes that are spatially and temporally expressed during early embryological development. They are…
Homeobox genesGenes, HomeoboxGenetics
Human Embryonic Stem Cells
By: Ke Wu
| Published: Sep 13, 2010
Stem cells are undifferentiated cells that are capable of dividing for long periods of time and can give rise to specialized cells under particular…
Stem CellsReproductiondifferentiationHuman Development
“Identification of a Cancer Stem Cell in Human Brain Tumors” (2003), by Sheila Singh, Ian Clarke, Mizuhiko Terasaki, Victoria Bonn, Cynthia Hawkins, Jeremy Squire, Peter Dirks
By: Akaash Surendra
| Published: Aug 11, 2025
In 2003, Sheila Singh and colleagues published “Identification of a Cancer Stem Cell in Human Brain Tumors” in the journal Cancer Research. The study…
Brain TumorsAdult Stem CellsStem Cell ResearchCell Self RenewalCancer Stem Cells
Susumu Ohno (1928–2000)
By: Devangana Shah
| Published: Jun 03, 2025
Susumu Ohno studied chromosome structure and evolution during the twentieth century in the United States. Ohno was one of the first researchers to…
Sequence Analysis, DNAGenes, DuplicateGene DuplicationBarr BodiesBiological Evolution
Christine Jorgensen (1926–1989)
By: Lauren Hilton
| Published: Jun 26, 2024
Christine Jorgensen was a transgender woman and activist in the United States who lived during the twentieth century. She was one of the first US…
Transgender PersonsTransexualsTranssexualismGender IdentityGender
Hideyo Noguchi (1876–1928)
By: Srivatsan Swaminathan
| Published: May 30, 2024
Hideyo Noguchi researched bacteria, including Treponema pallidum, the bacterium that causes syphilis, in Japan and the US during the early 1900s.…
SyphilisNeurosyphilisCentral Nervous System SyphilisTreponema pallidumYellow Fever
Smile Train (1999–)
By: Grace Rauch
| Published: Feb 06, 2024
Smile Train is a non-profit organization that Brian Mullaney and Charles Wang founded in 1999 in New York City, New York, that provides resources and…
Cleft PalateCleft palate childrenCleft palate—psychological aspectsCleft Lip
“The Standardization of Terminology of Female Pelvic Organ Prolapse and Pelvic Floor Dysfunction” (1996), Richard C. Bump, Anders Mattiasson, Kari Bø, Linda P. Brubaker, John O.L. DeLancey, Peter Klarskov, Bob L. Shull, Anthony R.B. Smith
By: Megan O'Reilly
| Published: Mar 10, 2021
In 1996, a team of researchers associated with the International Continence Society published “The Standardization of Terminology of Female Pelvic…
LiteraturePelvic PainPelvic FloorPelvisPelvic Examination
“Explaining Recent Declines in Adolescent Pregnancy in the United States: The Contribution of Abstinence and Improved Contraceptive Use” (2007), by John S. Santelli, Laura Duberstein Lindberg, Lawrence B. Finer, and Susheela Singh
By: Rohini Nott
| Published: Feb 15, 2021
In “Explaining Recent Declines in Adolescent Pregnancy in the United States: The Contribution of Abstinence and Improved Contraceptive Use,”…
LiteraturePregnancy, AdolescentBirth ControlFirst pregnancyReproductive Health