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The Debate over DNA Replication Before the Meselson-Stahl Experiment (1953–1957)
By: Victoria Hernandez
| Published: Jan 03, 2018
Between 1953 and 1957, before the Meselson-Stahl experiment verified semi-conservative replication of DNA, scientists debated how DNA replicated. In…
ChromosomesCalifornia Institute of TechnologyCold Spring Harbor LaboratoryDNA Replication
David Hunter Hubel (1926–2013)
By: Dina A. Lienhard
| Published: Jan 03, 2018
David Hunter Hubel studied the development of the visual system and how the brain processes visual information in the US during the twentieth century…
Hubel, David H.Kuffler, Stephen W.Wiesel, Torsten N.Johns Hopkins Medical SchoolHarvard Medical School
"RNA-Guided Human Genome Engineering via Cas 9" (2013), by Prashant Mali, Luhan Yang, Kevin M. Esvelt, John Aach, Marc Guell, James E. DiCarlo, Julie E. Norville, and George M. Church
By: Meilin Zhu
| Published: Dec 27, 2017
In 2013, George Church and his colleagues at Harvard University in Cambridge, Massachusetts published RNA-Guided Human Genome Engineering via Cas 9,…
Literaturegene editingTranscription Activator-Like Effector NucleasesscFV green fluorescent protein, recombinantClustered Regularly Interspaced Short Palindromic Repeats
David Baltimore (1938– )
By: Meilin Zhu
| Published: Dec 27, 2017
David Baltimore studied viruses and the immune system in the US during the twentieth century. In 1975, Baltimore was awarded the Nobel Prize in…
Baltimore, DavidDNAAcquired Immunodeficiency Syndrome
Ponseti's Treatment for Congenital Clubfoot (1963)
By: Katherine Gandee
| Published: Dec 27, 2017
In 1963, Ignacio Ponseti and Eugene Smoley experimentally determined an effective and minimally invasive method of treating congenital clubfoot.…
ClubfootFoot--AbnormalitiesOrthopedicsCongenital Talipes EquinovarusClubfoot, Congenital
Roger Sperry’s Split Brain Experiments (1959–1968)
By: Dina A. Lienhard
| Published: Dec 27, 2017
In the 1950s and 1960s, Roger Sperry performed experiments on cats, monkeys, and humans to study functional differences between the two hemispheres…
Split brainBrain--Localization of functionsCorpus callosumBrain MappingSplit-Brain Procedure
Christopher Polge and Lionel Edward Aston Rowson’s Experiments on the Freezing of Bull Spermatozoa (1950–1952)
By: Bailey Renee
| Published: Dec 19, 2017
In 1952, researchers Christopher Polge and Lionel Edward Aston Rowson, who worked at the Animal Research Center in Cambridge, England, detailed…
GlycerinCryopreservationSpermatozoaMicroorganisms--CryopreservationExperiments
Symptoms Associated with Polycystic Ovarian Syndrome (PCOS)
By: Alexis Darby
| Published: Dec 19, 2017
Polycystic ovarian syndrome or PCOS is one of the most common reproductive conditions in women, and its symptoms include cystic ovaries, menstrual…
Polycystic ovary syndromeHirsutismOligomenorrheaMenstruation DisturbancesAmenorrhea
Annie Dodge Wauneka (1910-1997)
By: Malladi Lakshmeeramya
| Published: Dec 19, 2017
Annie Dodge Wauneka, a member of the Navajo Tribal Council in Window Rock, Arizona, from 1951 to 1978, advocated for improved lifestyle, disease…
Presidential Medal of Freedompublic healthChild mortalityAlcoholismPneumonia
Elizabeth Blackwell (1821–1910)
By: Alexis Darby
| Published: Dec 19, 2017
In the nineteenth century, Elizabeth Blackwell was a women’s healthcare reformer and the first woman to receive her medical degree in the United…
Women in MedicineWomen in medicine--HistoryWomen physiciansWomen physicians--United StatesObstetrics