I realise this might sound like special pleading because one of them mentions my talk in Oxford on Saturday but Stratford Caldecott has a particularly interesting set of posts on his Beauty in Education blog at the moment. The article on Education and Evangelization (with the full version here) is especially good. I hadn't come across this G K Chesterton line before, for a start:
“Is ditchwater dull? Naturalists with microscopes have told me that it teems with quiet fun.”
Brilliant.