This document is a collection of letters from readers of New Scientist on various topics. One letter discusses the concept of "natural disasters" and argues that disasters are not natural but rather the result of economic, political, and social processes. Another letter addresses the idea of genetically modifying animals for more efficient meat production, with one reader expressing concern about the ethical implications. Other letters touch on topics such as vegetarian food processing, the complexity of the human brain, the impact of chemicals on the skin, and the importance of equality in civility. Finally, there is a letter expressing skepticism about the practical benefits of quantum computers. [Extracted from the article]