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Dinosaur Egg Parataxonomy
By: Madison Paige
| Published: Mar 23, 2015
Dinosaur egg parataxonomy is a classification system that organizes dinosaur eggs by descriptive features such as shape, size, and shell thickness.…
DinosaursDinosaurs--EggsPaleobiologyFossilsEmbryos
Diethylstilbestrol (DES) in the US
By: Alexis Abboud
| Published: Mar 23, 2015
Diethylstilbestrol (DES) is an artificially created hormone first synthesized in the late 1930s. Doctors widely prescribed DES first to pregnant…
DiethylstilbestrolDiethylstilbestrol--Side effectsDiethylstilbestrol--CarcinogenicityPregnancyEstrogen
Telomerase in Human Development
By: Zane Bartlett
| Published: Mar 23, 2015
Telomerase is an enzyme that regulates the lengths of telomeres in the cells of many organisms, and in humans it begins to function int the early…
TelomeraseTelomereDNAMolecular BiologySomatic embryogenesis
Elinor Catherine Hamlin (1924- )
By: Patsy Ciardullo
| Published: Mar 19, 2015
Elinor Catherine Hamlin founded and helped fund centers in Ethiopia to treat women affected by fistulas from obstetric complications. Obstetric…
EthiopiaAustraliaFistulaFistula, Vesico-vaginalVoluntary Health Agencies
Robert Lanza (1956- )
By: Christopher Rojas
| Published: Feb 11, 2015
During the twentieth and twenty-first centuries, Robert Paul Lanza studied embryonic stem cells, tissues, and endangered species as chief scientific…
Advanced Cell Technology (Firm)BantengCloningEmbryosEmbryonic Stem Cells
Oviraptor philoceratops Dinosaurs
By: Madison Paige
| Published: Feb 11, 2015
Oviraptor philoceratops was a small bird-like dinosaur that lived about seventy-five million years ago, during the late Cretaceous period. In 1923,…
OviraptorDinosaurs--EggsNatural history museumsPaleobiologyEvolutionary paleobiology
Telomeres and Telomerase in Cellular Aging (Senescence)
By: Zane Bartlett
| Published: Feb 11, 2015
Telomeres are sequences of DNA on the ends of chromosomes that protect chromosomes from sticking to each other or tangling, which could cause…
TelomeraseGreider, Carol W.Wistar Institute of Anatomy and BiologyAgingDNA
The Discovery of The Dikika Baby Fossil as Evidence for Australopithecine Growth and Development
By: Madison Paige
| Published: Feb 02, 2015
When scientists discovered a 3.3 million-year-old skeleton of a child of the human lineage (hominin) in 2000, in the village of Hadar, Ethiopia, they…
Human remains (Archaeology)Prehistoric peoplesAntiquities, PrehistoricArcheologyAnthropology, Physical
Wolbachia
By: Karine Prevot
| Published: Jan 29, 2015
Bacteria of the genus Wolbachia are bacteria that live within the cells of their hosts. They infect a wide range of arthropods (insects, arachnids…
WolbachiaBacteriaHost-bacteria relationshipsHost-parasite relationshipsArthropods
The Southern Gastric-Brooding Frog
By: Christopher Rojas
| Published: Jan 26, 2015
The Southern Gastric-Brooding Frog (Rheobatrachus silus) was an aquatic frog that lived in south-east Australia. In 2002, the International Union…
Sexual behavior in animalsReproductive BehaviorExtinction (Biology)Extinct animalsCloning