Let's relax to this work about the classification and characteristics of animals, as determined by Aristotle 2,300 years ago. We don't get to the part about spontaneous generation, but he does mention winged snakes and mammals growing from worms, so there's that.   Read "History of Animals" at Project Gutenberg: http://www.gutenberg.org/ebooks/59058   Follow and chat with us on Twitter: https://twitter.com/boringbookspod   Support us on Patreon and get exclusive perks: https://www.patreon.com/boringbookspod   Support us with a merch purchase at Teespring: https://teespring.com/stores/boring-books-for-bedtime   Music: “Ocean Tapping” by P.C. III, licensed under CC BY   All Boring Books for Bedtime readings are taken from works in the public domain. If you'd like to suggest a copyright-free reading for soft-spoken relaxation and sleep, send a recommendation on Twitter, on our website, or on Patreon. I'd love to hear from you!