When a cow lies down, is it securing a dry patch of grass because it knows that we're in for a downpour? Or does it just have tired legs? The environment is apparently full of signs that all is well or not well in the world, and their interpretation is often rooted in folklore. But how much should we read into these 'bioindicators'? (Page 8) If you want to get ahead get a hat - or, in the Gothic world, make that a crown. Learn about this ultimate status symbol on page 16. And for the last word in resources, try the universe. See our 8-page Space pull-out.