Hannah Holmes

Science and natural history writer Hannah Holmes. Her new book is The Secret Life of Dust: From the Cosmos to the Kitchen Counter, the Big Consequences of Little Things. (John Wiley & Sons) Among the interesting facts youl find in the book is this: within a juice glass sitting in the sun, you would find 25,000 microscopic pieces of dust, at a minimum. Holmes is also a regular contributor to the Discovery Channel Online.