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Purkinje Cells
By: Minai Mandana
| Published: Aug 12, 2014
Purkinje cells, also called Purkinje neurons, are neurons in vertebrate animals located in the cerebellar cortex of the brain. Purkinje cell bodies…
Purkinje CellsCerebellar CortexcerebellumBrain Stem
Hwang Woo-suk's Use of Human Eggs for Research 2002-2005
By: Anne Safiya Clay
| Published: Aug 12, 2014
Hwang Woo-suk, a geneticist in South Korea, claimed in Science magazine in 2004 and 2005 that he and a team of researchers had for the first time…
ContextbioethicsHuman cloning--Research--Law and legislationInformed consent (Medical law)Oocyte Donation
Allan Charles Wilson (1934-1991)
By: Dorothy Haskett
| Published: Jul 24, 2014
Allan C. Wilson studied genes, proteins, and body structures of animals and humans in the US during the second half of the twentieth century. Wilson…
Human EvolutionEvolutionChimpanzeesMitochondriaElectrophoresis
David Edwin Wildt (1950- )
By: Caroline Appleton
| Published: Jul 24, 2014
David Edwin Wildt developed and applied assisted reproductive technologies to conserve rare and endangered wildlife species in the US during the…
CheetahFertilization in VitroEmbryo transplantationReproductive technologyEndangered Species
Edward Drinker Cope's Law of Acceleration of Growth
By: M. Elizabeth Barnes
| Published: Jul 24, 2014
The Law of Acceleration of Growth is a theory proposed by Edward Drinker Cope in the US during the nineteenth century. Cope developed it in an…
developmentEvolutionCope, E. D. (Edward Drinker), 1840-1897Growth and Development
Charles Darwin's Theory of Pangenesis
By: Yawen Zou
| Published: Jul 20, 2014
In 1868 in England, Charles Darwin proposed his pangenesis theory to describe the units of inheritance between parents and offspring and the…
HeredityDarwin, Charles, 1809-1882ReproductionEvolutionNatural selection
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
Isotretinoin (Accutane) as a Teratogen
By: Chanapa Tantibanchachai
| Published: Jul 20, 2014
Isotretinoin is a molecule and a byproduct (metabolite) of vitamin A, and in greater than normal amounts in pregnant women, it can cause fetal…
Teratogenic agentsVitamin AIsotretinoinAbnormalities, HumanTeratogens
"Maternal Thyroid Deficiency During Pregnancy and Subsequent Neuropsychological Development of the Child" (1999), by James E. Haddow et al.
By: Jennifer R. Craer
| Published: Jul 11, 2014
From 1987 to the late 1990s, James Haddow and his team of researchers at the Foundation for Blood Research in Scarborough, Maine, studied children…
HypothyroidismCongenital HypothyroidismThyroid HormonesThyroid GlandThyrotropin
Mitochondrial Diseases in Humans
By: Dorothy R. Haskett
| Published: Jul 11, 2014
Mitochondrial diseases in humans result when the small organelles called mitochondria, which exist in all human cells, fail to function normally. The…
Mitochondrial pathologyMitochondriaCell organellesCell nuclei--TransplantationReproductive technology