A physicist takes a brief look at the history of scientific thinking about
light and asks whether we can work out an understanding of light
consistent with the requirements of modern physics - that is, without
imagining something that travels through space.
When we look at so-called disease organisms in the full human context,
common notions having to do with infections and attacking "bugs" prove
woefully inadequate. The fact is that we are all full of potentially
disease-causing organisms all the time. Why are some of us sick and