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

A Mundane Comedy is Dominic Kelleher's new book, which will be published later in 2023. The introduction is available here and further extracts will appear on this site in the coming months. Please get in touch with any questions or thoughts.

The 52:52:52 project, launching both on this site and on Twitter in early 2023 will help you address 52 issues with 52 responses over 52 weeks.

Self

On Stars...and On Us

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.