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Smile Train is a non-profit organization that Brian Mullaney and Charles Wang founded in 1999 in New York City, New York, that provides resources and…
Cleft PalateCleft palate childrenCleft palate—psychological aspectsCleft LipThe Y-chromosome is one of a pair of chromosomes that determine the genetic sex of individuals in mammals, some insects, and some plants. In the…
Y ChromosomeSex ChromosomesEmbryosDNAChromosomesX-linked severe combined immunodeficiency, or X-SCID, is a chromosomal disorder in which the immune system lacks multiple protective cells that…
X-Linked Combined Immunodeficiency DiseasesX-Linked SCIDSevere Combined ImmunodeficiencyBone Marrow--TransplantationAutoimmune DiseasesErnst Gräfenberg was a physician and researcher who studied sexology, the study of human sexuality, in both Germany and the United States during the…
G spotFemale orgasmGynecologySexology--ResearchWorld War, 1914-1918In 'How do Embryos Assess Risk? Vibrational Cues in Predator-Induced Hatching of Red-Eyed Treefrogs' (2005), Karen Warkentin reported on experiments…
EmbryosRed-eyed treefrogPredation (Biology)Science experimentsAmphibians--EggsRobert Alan Good was an American physician and scientific researcher who explored the cellular mechanisms of immunity. His research and discoveries…
PeopleBiographyImmunologyDictyostelium discoideum is a cellular slime mold that serves as an important model organism in a variety of fields. Cellular slime molds have an…
DictyosteliidaOrganismsRita Levi-Montalcini is a Nobel Laureate recognized for her work in the discovery and characterization of nerve growth factor. Nerve growth factor (…
PeopleNerve Growth FactorBiographyCharles Manning Child designed an experimental test, the susceptibility assay, to measure the effects of different toxins on developmental processes…
TechnologyChild, Charles Manning, 1869-1954OvadifferentiationGeorge Wells Beadle studied corn, fruit flies, and funguses in the US during the twentieth century. These studies helped Beadle earn the 1958 Nobel…
Beadle, George Wells, 1903-1989Genetics