Search

Displaying 261 - 270 of 515

Equilibrium Density Gradient Centrifugation in Cesium Chloride Solutions Developed by Matthew Meselson and Franklin Stahl

By: Victoria Hernandez | Published: Dec 19, 2017

Matthew Meselson, Franklin Stahl, and Jerome Vinograd, developed cesium chloride, or CsCl, density gradient centrifugation in the 1950s at the…

TechnologyDNA ReplicationDNA replication--RegulationCentrifugation, Density GradientOrganonitrogen compounds

The Notch Signaling Pathway in Embryogenesis

By: Justin Wolter | Published: Mar 06, 2013

The Notch signaling pathway is a mechanism in animals by which adjacent cells communicate with each other, conveying spatial information and genetic…

EmbryologyDevelopmental BiologyEmbryosCell differentiationNotch genes

40 Weeks (2014)

By: Jessica Cartwright | Published: Jan 30, 2019

In 2014, Big Belli, a media and social networking brand, released a documentary called 40 Weeks online. The documentary, directed by Christopher…

LiteraturePregnancyConceptionLabor (Obstetrics)Prenatal influences

Leon Chesley (1908-2000)

By: Sarah Patel | Published: Jun 19, 2017

Leon Chesley studied hypertension, or high blood pressure, in pregnant women during the mid-twentieth century. Chesley studied preeclampsia and…

PreeclampsiaEclampsiaHypertensionObstetricsPregnancy

Golden Rice

By: Marci Baranski | Published: Sep 17, 2013

Golden Rice was engineered from normal rice by Ingo Potrykus and Peter Beyer in the 1990s to help improve human health. Golden Rice has an engineered…

TechnologyRiceBiotechnologyGenesMolecular Biology

Assisted Human Reproduction Canada (AHRC)

By: Katherine Brind'Amour | Published: May 27, 2009

Established under the Assisted Human Reproduction (AHR) Act of 2004, Assisted Human Reproduction Canada (AHRC), also known as the Assisted Human…

OrganizationReproductive Techniques, AssistedOrganizationsReproductionReproductive Rights

Organisers and Genes (1940), by Conrad Hal Waddington

By: Adam R. Navis | Published: Oct 30, 2007

Conrad Hal Waddington's Organisers and Genes, published in 1940, is a summary of available research and theoretical framework for many concepts…

LiteratureOrganizers, EmbryonicPublicationsdifferentiation

Karl Oskar Illmensee (1939–)

By: Cheryl Lancaster | Published: Feb 26, 2017

Karl Oskar Illmensee studied the cloning and reproduction of fruit flies, mice, and humans in the US and Europe during the twentieth and twenty-first…

CloningMolecular CloningClone CellsTwinsEmbryos
An illustration of the cloning of a gaur

The First Successful Cloning of a Gaur (2000), by Advanced Cell Technology - Image

By: Katherine Koczwara | Published: Jun 11, 2019

The first successful cloning of a gaur in 2000 by Advanced Cell Technology involved the cells of two animals: an egg cell from a domestic cow and a

GaurCloningCattle--CloningExperimentsOrganisms
An illustration of the X and Y chromosomes

DNA and X and Y Chromosomes

By: Anna Guerrero | Published: Feb 06, 2017

Y-chromosomes exist in the body cells of many kinds of male animals.

Y ChromosomeX chromosomeSex ChromosomesChromosomesSex Chromatin