Back issue no. 100 contains: Indoor air pollution, solved; Walden Pond, the solar version (part 2); Starting over, part 10; Clean up your act!; A healthy heart starts in the kitchen; Drinks and desserts to help you beat the heat; Healthy vegetables; Cooking with seeds; Lemons, the versatile fruit; Asparagus; A brief history of health and medicine; and growing potatoes in straw. Plus, Dave Duffy discusses taking care of your health by taking control of your life; Massad Ayoob explores the centennial of the All-American .30-06; John Silveira writes about confident liberals vs. whiny conservatives; and Jackie Clay answers readers’ questions about using a pressure cooker as a canner, seed varieties, weevils in rice, beef jerky without salt, sterilizing jars, rose hips, etc.