It has come to my attention that Leave the lights on is not unique. I have discovered another blog on "Science and Catholic faith": The Deeps of Time.
TDOT is a bulletin-style blog, which is something lacking here on LTLO. My approach here is to write articles and essays; TDOT keeps its readers up-to-date on science issues for Catholics, with recent posts on a new source for adult stem cells (wisdom teeth) and Pope Benedict XVI's prayer intention for August (awareness of God's Creation).
Interestingly, TDOT uses an opposite sort of metaphor for its title. But it's worth noting that it also uses "illumination" imagery in its banner logo. My banner shows a light shining down, while TDOT's banner shows a brilliant sunny day lighting up a cathedral.
Be sure to visit TDOT and consider subscribing.