How Slow can you Waterski?

A stimulating selection from the Guardian's 'This Week' column. Designed for browsing, the articles are are classified under the number of headings such as minds and bodies, sickness and health, food and drink, sports and games, natural disasters and man-made problems, science and technology and space and time. The title story comes from a regulation on the Lake Windermere restricting speed on the lake to 10 kn, which makes it technically impossible to waterski. The range of offbeat questions includes: are pizza ovens a major source of pollution? How many swallows make a summer? Why does LSD make you hallucinate? And is it safe to put mercury into vaccines? Definitely a book for the