Prof. Elizabeth Johnson of Northwestern University on aging, cognition and brain stimulation.

Scientific Sense ® by Gill Eapen: Prof. Elizabeth Johnson is Assistant Professor of Medical Social Sciences and Pediatrics at the Weinberg College of Arts and Sciences at Northwestern University.

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Prof. Wendy Freedman of the University of Chicago on the Hubble Constant

Scientific Sense ® by Gill Eapen: Prof. Wendy Freedman is Professor of Astronomy and Astrophysics at the University of Chicago. Her current projects involve measurements of the Hubble constant -- the

current expansion rate, as well as the past expansion rate, providing constraints on the acceleration of the universe and dark energy Please subscribe to this channel: https://www.youtube.com/c/ScientificSense?sub_confirmation=1

Dr. Ian Williams on longevity, humanity, happiness, Autism, birthrates, selection, and VC dynamics

Decision Options ® by Gill Eapen: Dr. Ian Williams on longevity, humanity, happiness, Autism, birthrates, selection, and VC dynamics Please subscribe to this channel: https://www.youtube.com/c/ScientificSense?sub_confirmation=1