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Karl Gegenbaur and Comparative Anatomy

Karl Gegenbaur and Comparative Anatomy

On August 21, 1826, German anatomist Karl Gegenbaur was born. Gegenbaur demonstrated that the field of comparative anatomy offers important evidence supporting of the theory of evolution. He was a strong supporter of Charles Darwin‘s theory of organic evolution, having taught and worked, beginning in 1858, with Ernst Haeckel. Karl…
Leonid Kulik and the Tunguska Event

Leonid Kulik and the Tunguska Event

On August 19, 1883, Russian mineralogist Leonid Alekseyevich Kulik was born. Kulik is noted for his research in meteorites. In 1927, Kulik conducted the first scientific expedition (for which records survive) to study the Tunguska meteor impact site, the largest impact event in recorded history, which had occurred on 30 June…
Taming Hurricane Debbie

Taming Hurricane Debbie

On August 18, 1969, intense and long-lived Hurricane Debbie was seeded with silver iodide as part of a weather modification experiment by Project Stormfury, which resulted in a fall of windspeeds by 31%. The hypothesis was that the silver iodide would cause supercooled water in the storm to freeze, disrupting…
The Mainz Psalter and its Colophon

The Mainz Psalter and its Colophon

On August 14, 1457, the Mainz Psalter, the second major book printed with movable type in the West, was published according to its colophon, which was the very first to contain a date. Also it was the first important publication issued by Johann Fust and Peter Schoeffer following their split from Johannes…
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