Daniel Kernell, the author of Colours and Colour Vision, explains the complex work of studying colour--and why the general population knows so little about something that's part of our everyday lives.

Gerald J. Beyer, an associate professor of Christian Ethics at Villanova University and contributor to Horizons: The Journal of the College Theology Society explores the impact of Pope Francis' visit to the US.

John Suler, author of Psychology of the Digital Age: Humans Become Electric (2016), takes us on a cathartic journey through cyberspace to his 'man cave'.

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