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Part consultancy, part thinktank, part social enterprise, Halcyon helps you prepare for and respond to personal, organisational and societal change.

Halcyon's 52:52:52 campaign on Twitter will help you address 52 issues with 52 responses over 52 weeks.

To be a catalyst is the ambition most appropriate for those who see the world as being in constant change, and who, without thinking that they control it, wish to influence its direction - Theodore Zeldin

A Mundane Comedy is Dominic Kelleher's new book, which will be published in early 2020. We will be publishing extracts on this site and across social media during the first quarter of 2020. Please feel free to contact us with any questions about the book.

Self

On Stars...and On Us

Submitted by Halcyon In Kal… on 19 October 2016

The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff - Carl Sagan, Cosmos

While the saying “we are stardust” seems poetic but vague, it is literally true. The atoms of our bodies were created in the cores of stars billions of years ago. 

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