Now showing items 21-40 of 1026

    • Albrecht von Haller (1708-1777) 

      Lawrence, Cera R. (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2012-05-10)
      Victor Albrecht von Haller was an 18th century scientist who did extensive work in the life sciences, including anatomy and physiology, botany, and developmental biology. His embryological work consisted of experiments in ...
    • Alec Jeffreys’s Experiments to Identify Individuals by Their Beta-globin Genes (1977-1979) 

      Harbison, Corey
      In a series of experiments in the late 1970s, Alec J. Jeffreys in the UK and Richard A. Flavell in the Netherlands developed a technique to detect variations in the DNA of different individuals. They compared fragments of ...
    • Alec John Jeffreys (1950–) 

      Harbison, Corey
      Alec John Jeffreys created a process called DNA fingerprinting in the UK during the twentieth century. For DNA fingerprinting, technicians identify a person as the source of a biological sample by comparing the genetic ...
    • Alejandro Sánchez Alvarado (1964- ) 

      Sunderland, Mary E. (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2012-05-10)
      Alejandro Sánchez Alvarado is a Professor of Neurobiology and Anatomy at the University of Utah School of Medicine and is also a Howard Hughes Medical Institute Investigator. Born in Caracas, Venezuela, 24 February 1964, ...
    • Alexandre Lion’s Incubator Charities in Europe (1894–1898) 

      Rebovich, Kelsey
      Alexandre Lion established incubator charities in the late 1890s in France to promote his infant incubator. Lion’s infant incubators kept premature infants warm and improved their chances of survival, but were expensive ...
    • Alexis Carrel (1873-1944) 

      Navis, Adam R. (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2012-05-10)
      Alexis Carrel was a doctor and researcher who studied tissue cultures. He continued Ross Granville Harrison's research and produced many improvements in the field of tissue culture and surgery. He was the recipient of ...
    • Alexis Carrel's Immortal Chick Heart Tissue Cultures (1912-1946) 

      Jiang, Lijing (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2012-11-05)
      In an effort to develop tissue culture techniques for long-term tissue cultivation, French surgeon and biologist Alexis Carrel, and his associates, produced and maintained a series of chick heart tissue cultures at the ...
    • Alexis Carrel's Tissue Culture Techniques 

      Jiang, Lijing (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2012-05-10)
      Alexis Carrel, the prominent French surgeon, biologist, and 1912 Nobel Prize laureate for Physiology or Medicine, was one of the pioneers in developing and modifying tissue culture techniques. The publicized work of Carrel ...
    • Alfred Day Hershey (1908–1997) 

      Hernandez, Victoria
      During the twentieth century in the United States, Alfred Day Hershey studied phages, or viruses that infect bacteria, and experimentally verified that genes were made of deoxyribonucleic acid, or DNA. Genes are molecular, ...
    • Alfred Henry Sturtevant (1891–1970) 

      Gleason, Kevin
      Alfred Henry Sturtevant studied heredity in fruit flies in the US throughout the twentieth century. From 1910 to 1928, Sturtevant worked in Thomas Hunt Morgan’s research lab in New York City, New York. Sturtevant, Morgan, ...
    • Allan Charles Wilson (1934-1991) 

      Haskett, Dorothy (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2014-07-24)
      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 also studied human evolution. Although morphology and behaviors of humans ...
    • "Alternative Sources of Human Pluripotent Stem Cells" (2005), by Leon Kass and the President’s Council on Bioethics 

      Philbrick, Samuel (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2012-05-10)
      Human pluripotent stem cells are valued for their potential to form numerous specialized cells and for their longevity. In the US, where a portion of the population is opposed to destruction of human embryos to obtain stem ...
    • "Altruism and the Origin of the Worker Caste" from The Ants (1990), by Bert Hölldobler and Edward Osborne Wilson 

      Dhein, Kelle
      In 'Altruism and the Origin of the Worker Caste,' Bert Hölldobler and Edward Osborne Wilson explore the evolutionary origins of worker ants. 'Altruism and the Origin of the Worker Caste' is the fourth chapter of ...
    • Ameisen: Die heimliche Weltmacht (Ants: Nature’s Secret Power) (2004) 

      Dhein, Kelle
      Ameisen: Die heimliche Weltmacht (Ants: Nature’s Secret Power) is a nature documentary about ants. Wolfgang Thaler wrote, filmed, and directed the film, which focuses on the work of ant researcher Bert Hölldobler. The ...
    • American Eugenics Society (1926-1972) 

      Gur-Arie, Rachel (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2014-11-22)
      The American Eugenics Society (AES) was established in the US by Madison Grant, Harry H. Laughlin, Henry Crampton, Irving Fisher, and Henry F. Osborn in 1926 to promote eugenics education programs for the US public. The ...
    • Amniocentesis 

      Brind'Amour, Katherine (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2012-05-10)
      Amniocentesis is a test used for prenatal diagnosis of inherited diseases, Rh incompatibility, neural tube defects, and lung maturity. Normally performed during the second trimester of a pregnancy, this invasive procedure ...
    • Amniocentesis Prior to 1980 

      Kelley, Kristin (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2012-05-10)
      The extraembryonic membranes that surround and originate from the embryos of vertebrates such as birds, reptiles, and mammals are crucial to their development. They are integral to increasing the surface area of the uterus, ...
    • Amphioxus, and the Mosaic Theory of Development (1893), by Edmund Beecher Wilson 

      Lowe, James (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2015-03-31)
      Edmund Beecher Wilson experimented with Amphioxus (Branchiostoma) embryos in 1892 to identify what caused their cells to differentiate into new types of cells during the process of development. Wilson shook apart the cells ...
    • Anatomia Uteri Humani Gravidi Tabulis Illustrata (The Anatomy of the Human Gravid Uterus Exhibited in Figures) (1774), by William Hunter 

      Wagoner, Nevada
      William Hunter’s Anatomia Uteri Humani Gravidi Tabulis Illustrata (The Anatomy of the Human Gravid Uterus Exhibited in Figures), hereafter called The Human Gravid Uterus, is an anatomical atlas depicting the pregnant form ...
    • Andreas Vesalius (1514–1564) 

      Erjavic, Nicole
      Andreas Vesalius, also called Andries van Wesel, studied anatomy during the sixteenth century in Europe. Throughout his career, Vesalius thoroughly dissected numerous human cadavers, and took detailed notes and drawings ...