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Felix Anton Dohrn
By: Karen Wellner, Kal Clark, Brian Schuermann
| Published: Feb 22, 2011
Felix Anton Dohrn is best remembered as the founder of the Stazione Zoologica di Napoli, the world' s first permanent laboratory devoted to the study…
VertebratesBiographyLaboratories
Ethics and Induced Pluripotent Stem Cells
By: Katherine Brind'Amour
| Published: Jun 10, 2009
The recent development of induced pluripotent stem cells (iPSCs) and related technologies has caught the attention of scientists, activists,…
ethicsStem Cells
Chorionic Villus Sampling
By: Katherine Brind'Amour
| Published: Jan 21, 2009
Chorionic villus sampling (CVS) is a test used for prenatal diagnosis. Safe to perform at an earlier stage in pregnancy than amniocentesis, CVS is…
TechnologyChorionic Villus SamplingChorionic Villi SamplingReproduction
Paul Kammerer's Experiments on Salamanders (1903-1912)
By: Federica Turriziani Colonna
| Published: Dec 30, 2014
In the early twentieth century, Paul Kammerer conducted a series of experiments to demonstrate that organisms could transmit characteristics acquired…
Kammerer, Paul, 1880-1926SalamandraLaboratory animals--Breeding--ExperimentsLamarck, Jean Baptiste Pierre Antoine de Monet de, 1744-1829. Philosophie zoologique. EnglishHeredity
Joseph Needham (1900-1995)
By: Adam R. Navis
| Published: Nov 01, 2007
Joseph Needham was an embryologist and biochemist who is most noted in science for his studies on induction in developing embryos. Needham worked…
PeopleEmbryonic InductionBiography
Ovarian Hyperstimulation Syndrome (OHSS) Caused by Fertility Treatment
By: Alison Lane
| Published: Oct 20, 2020
Ovarian hyperstimulation syndrome, abbreviated OHSS, is an atypical reaction that women may experience in response to excessive hormones, and often…
Fertility clinicsFertility, HumanFertilization in vitro, HumanOvulationOvulation--Induction
“The History of Twins, As a Criterion of the Relative Powers of Nature and Nurture” (1875), by Francis Galton
By: Mudhaffar Bahjat
| Published: Dec 19, 2017
In the article “The History of Twins, As a Criterion of the Relative Powers of Nature and Nurture,” Francis Galton describes his study of twins.…
LiteratureNature and nurtureGeneticsHeredityTwins
"The linear arrangement of six sex-linked factors in drosophila, as shown by their mode of association” (1913), by Alfred Henry Sturtevant
By: Kevin Gleason
| Published: May 22, 2017
In 1913, Alfred Henry Sturtevant published the results of experiments in which he showed how genes are arranged along a chromosome. Sturtevant…
DrosophilaHeredityInheritance of acquired charactersColumbia University--Graduate studentsMutation
Robert Alan Good (1922-2003)
By: Angel Lopez
| Published: Nov 16, 2010
Robert Alan Good was an American physician and scientific researcher who explored the cellular mechanisms of immunity. His research and discoveries…
PeopleBiographyImmunology
Jan Swammerdam (1637-1680)
By: Kimberly A. Buettner
| Published: Oct 31, 2007
Jan Swammerdam, known as the founder of the preformation theory based on his extensive research on insect development, was born on 12 February 1637…
PeopleBiography