"All men by nature desire to know." So begins the first book of Aristotle's Metaphysics, written about two and a half thousand years ago and still one of the most influential works in Western philosophy.
Science, and beyond : metaphysics has much to offer the study of the natural world.
I went on holiday for two weeks and returned to find this ghostly impression of a spider on our toilet roll (see photo), but no spider or spider body anywhere around. How did the spider cause this pattern?