An ancient blue hole off Mexico’s Yucatán Peninsula, sealed for thousands of years since the last ice age, is now giving up its secrets—but scientists are more puzzled than ever. The underwater cave, known as Taam Ja’, once held water isolated from the outside world, creating a pristine time capsule of prehistoric life.
Divers exploring the submerged cave systems of Mexico’s Yucatán Peninsula have recovered at least 11 prehistoric human skeletons over the past three decades, along with a large deposit of Ice Age animal bones. The discoveries have reshaped scientific understanding of when humans first reached the Americas, though several key questions remain unresolved.The Yucatán Peninsula sits on a vast slab of…