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“A Two-Factor Hypothesis of Freezing Injury: Evidence from Chinese Hamster Tissue-Culture Cells” (1972), by Peter Mazur, Stanley Leibo, and Ernest Chu
By: Risa Aria Schnebly
| Published: Mar 02, 2021
In 1972, Peter Mazur, Stanley Leibo, and Ernest Chu published, “A Two-Factor Hypothesis of Freezing Injury: Evidence from Chinese Hamster Tissue-…
LiteratureCryonicsCryosurgeryMedicine--History--20th centuryOsmosis
Theophilus Shickel
Painter (1889-1969)
By: Dorothy Haskett
| Published: Nov 22, 2014
Theophilus Shickel Painter studied the structure and function of chromosomes in the US during in the early to mid-twentieth century. Painter worked…
ChromosomesKaryotypesSex ChromosomesGeneticsLinkage (Genetics)
Environment and Birth Defects (1973), by James G. Wilson
By: S. Alexandra Aston
| Published: Jun 21, 2014
Environment and Birth Defects by James Graves Wilson in the US was published in 1973. The book summarized information on the causes of malformations…
LiteratureBirth DefectsAbnormalities, HumanTeratogensTeratology
Mitochondria
By: Dorothy R. Haskett
| Published: Jul 05, 2014
All cells that have a nucleus, including plant, animal, fungal cells, and most single-celled protists, also have mitochondria. Mitochondria are…
CellsCell organellesMitochondriaPlant mitochondriaEndosymbiosis
Revive & Restore’s Woolly Mammoth Revival Project
By: Risa Aria Schnebly
| Published: Jan 19, 2021
In 2015, Revive & Restore launched the Woolly Mammoth Revival Project with a goal of engineering a creature with genes from the woolly mammoth…
conservationAnimal diversity conservationWildlife conservationgene editingbioethics
Harald zur Hausen (1936–2023)
By: Grace Kim
| Published: Jul 24, 2017
Harald zur Hausen studied viruses and discovered that certain strains of the human papilloma virus (HPV), a sexually transmitted disease, can cause…
Cervix uteri--CancerHuman Papilloma VirusPapillomavirusesGenital WartsCondylomata Acuminata
Mitochondrial DNA (mtDNA)
By: Dorothy R. Haskett
| Published: Dec 19, 2014
Mitochondrial DNA (mtDNA) is located outside the nucleus in the liquid portion of the cell (cytoplasm) inside cellular organelles called Mitochondria…
Mitochondrial DNAMitochondriaMitochondrial DisordersMitochondrial pathologyMitochondrial DNA--Abnormalities
Cocaine as a Teratogen
By: Mark Zhang, Chanapa Tantibanchachai
| Published: Oct 17, 2013
Cocaine use by pregnant women has a variety of effects on the embryo and fetus, ranging from various gastro-intestinal and cardiac defects to tissue…
CocaineCocaine abusePregnancyEmbryosFetus
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
Luc Antoine Montagnier (1932-2022)
By: Jarrett L. Joubert
| Published: Nov 03, 2022
Luc Montagnier studied viruses, the immune system, and cancer in France during the second half of the twentieth century. In his early career,…
AIDS vaccinesAIDS (Disease)AIDS malignanciesHIV-positive personsHIV (Viruses)