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DNA and X and Y Chromosomes
By: Anna Guerrero
| Published: Feb 06, 2017
Y-chromosomes exist in the body cells of many kinds of male animals.
Y ChromosomeX chromosomeSex ChromosomesChromosomesSex Chromatin
Andrew Zachary Fire (1959- )
By: May Catherine
| Published: Nov 28, 2011
Andrew Zachary Fire is a professor at Stanford University and Nobel Laureate. Fire worked at the Carnegie Institution of Washington's Department of…
PeopleRNA InterferenceBiography
The Aschheim-Zondek Test for Pregnancy
By: Kristin Kelley
| Published: Sep 12, 2010
Throughout history many different methods have been devised for the early detection of pregnancy. From the time of the Ancient Egyptians, inspection…
Pregnancy TestsReproductionFertility
Alexis Carrel (1873-1944)
By: Adam R. Navis
| Published: Feb 29, 2008
Alexis Carrel was a doctor and researcher who studied tissue cultures. He continued Ross Granville Harrison's research and produced many…
Tissue Culture TechniquesBiographyTissue culture
John Charles Rock (1890-1984)
By: Kimberly A. Buettner
| Published: Nov 08, 2007
Born on 24 March 1890 in Marlborough, Massachusetts, to Ann and Frank Rock, John Charles Rock was both a devout Catholic and one of the leading…
PeopleContraceptionReproductionReproductive RightsCatholicism
The Impact of the Safe Motherhood Initiative from 1987 to 2000
By: Emily Santora
| Published: May 02, 2020
In 1987, the World Health Organization, or WHO, took action to improve the quality of maternal health around the world through the declaration of the…
PregnancyGestationPoorLow-income parentsMothers--Mortality
Edgar Allen (1892–1943)
By: Brendan Van Iten
| Published: Jul 23, 2017
Edgar Allen identified and outlined the role of female sex hormones and discovered estrogen in the early 1900s in the US. In 1923, Allen, through his…
EstrogenHormones, SexOogenesisEstrusMenstrual Cycle
Seed Banking 1979-1994
By: Marci Baranski
| Published: Jan 28, 2014
In the early twentieth century, scientists and agriculturalists collected plants in greenhouses, botanical gardens, and fields. Seed collection…
ContextGermplasm resources, PlantGermplasm resources, Plant--StorageAgrobiodiversityCrops
The Miracle of Life (1983), by NOVA
By: Inbar Maayan
| Published: Nov 19, 2010
The most-watched NOVA documentary ever made and a revolution in the understanding of human development, The Miracle of Life (abbreviated Life)…
LiteratureReproductionHuman Development
“The Science and Ethics of Making Part-Human Animals in Stem Cell Biology” (2006), by Jason Scott Robert
By: Alexis Darby
| Published: May 25, 2021
In 2006, bioethicist Jason Scott Robert published “The Science and Ethics of Making Part-Human Animals in Stem Cell Biology” in The FASEB Journal.…
LiteratureGeneticsbioethicsStem Cell ResearchStem Cells