Science Circle

"The Common and Misplaced Racism of David Duke, Hitler, and Darwin: The Value of Diversity in Human Interactions” by Stephen L. Gasior
2018-01-13 10:00 - 11:00 (America/Los_Angeles)
“The Common and Misplaced Racism of David Duke, Hitler, and Darwin: The Value of Diversity in Human Interactions” by Stephen L. Gasior

Racism is the worst idea ever in its impact on the evolution of the human species and its longterm survival. Yet, it is a persistent and strong perspective that has early roots in our evolution that has continued through the Enlightenment, the Scientific Revolution, and modern day. This talk covers the biological basics of human genetic diversity as it pertains to race and some historical perspectives of notable individuals and how that has impacted culture. A more in-depth presentation on population genetics and interesting genetic traits will finish the discussion with a thought on how a rational anti-racism is beneficial in the continued evolution of Homo sapience.

Dr. Stephen L. Gasior
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"Black hole Demographics" by Dr. Rob Knop
2018-01-06 10:00 - 11:00
Abstract:
The term “black hole” conjures up many fanciful images, some of which are false, and, surprisingly, many of which are true. To astronomers,”black hole” actually means two different things: first, the theoretical construct predicted by General Relativity (GR), and second, the objects in space that we have observationally confirmed; there is a subtle, at least semantic, difference. For a long time, we’ve known of black holes that are several to about ten times the mass of the Sun, observed as X-Ray sources in our Galaxy. We’ve also known about black holes that are millions to billions times the mass of the Sun, lurking at the cores of galaxies. In the last few years, thanks to gravitational wave observations, we’ve confirmed black holes that are thirty times the mass of the Sun. Are there any in between? Do black holes hundreds or thousands the mass of our Sun exist? If so, where are they hiding? In this talk, I’ll outline our current knowledge of where black holes exist in the Universe, and mention some of the remaining questions we have about these exotic objects.

— Rob Knop
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