Mound of 4,300-year-old bat guano reveals ancient history of Jamaica
Scientists have drilled ice cores to analyze environmental changes for decades, but now the technique is being applied to a less appealing medium: Bat poop. Researchers discovered a veritable mountain of guano deep in a cave in Jamaica, deposited over the course of 4,300 years. Left largely undisturbed, the pile stands more than six feet … Read more