Mark Ulett
Contributing Writer
Mark Ulett - Mark Ulett
Mark Ulett is a graduate student at Arizona State University. He studies the history of biology and evolution.
Latest Articles
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Theodor Eimer: Defender of Orthogenesis
This biographical article discusses the life and scientific theories of Theodor Eimer. He argued for orthogenesis, or directed evolution.
Apr 1, 2011
- Mark Ulett
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Francis Galton's Experiments on Rabbits
In the late 1860s and early 1870s Francis Galton undertook experiments on rabbits to test Charles Darwin's theory of heredity called "pangenesis".
Mar 29, 2011
- Mark Ulett
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Galileo's Theory of the Tides
Galileo theorized that the tides were caused not by the moon or sun, but by the movement of the earth on its axis and around the sun.
Mar 16, 2011
- Mark Ulett
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A. O. Kovalevsky - Integrating Embryology and Evolution
Alexander O. Kovalevsky was a pioneer in the history of biology, using understanding from evolution, cell biology, and embryology in new and important ways.
Mar 9, 2011
- Mark Ulett
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