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Halcyon actively monitors change covering more than 150 key elements of life.

The 52:52:52 project, launching both on this site and on social media in early 2024 will help you address 52 issues with 52 responses over 52 weeks.

A Mundane Comedy is Dominic Kelleher's new book, which will be published in early 2024. The introduction is available here and further extracts will appear on this site in the coming months.

Big Bang

On Origins Halcyon In Kal… 26 August 2013

The always interesting Maria Popova notes that, while the friction between science and religion has always been addressed by some of humanity’s greatest minds, MinutePhysics (who have previously explored, inter alia, whether the universe has a purpose, why the past is different from the  and the true science of parallel universes) has now