Newly-discovered whale graveyard dates back millions of years

A team of deep-sea explorers has uncovered the world's deepest known whale necropolis—7 kilometers beneath the Indian Ocean—revealing a vast graveyard of fossilized whale bones dating back 5.3 million years. The discovery, made in the Diamantina Zone west of Australia, includes 476 fossils, mostly from beaked whales, whose hard bony beaks survived millennia while softer bones eroded. What's extraordinary is the site's dual nature: ancient fossils coexist with recently deceased whales still feeding a thriving deep-sea ecosystem of bone-eating worms and chemosynthetic organisms. Researchers believe the trench’s V-shaped funnel may have concentrated whale carcasses over millions of years, creating a rare continuous fossil record of beaked whale evolution—something impossible to find on land. Meanwhile, in a separate breakthrough, scientists have developed a hybrid chemical-biological method to convert lignin from wood waste into adipic acid, a key building block for eco-friendly nylon 6-6. Using poplar, pine, and birch, they achieved 26% yield—half the theoretical maximum—demonstrating a scalable, sustainable alternative to oil-based production. The method could revolutionize green chemistry by turning industrial waste into high-value materials. The whale necropolis isn't just a fossil site—it's a living time capsule. The deep-sea environment, shielded from sediment cover due to its remoteness, preserved bones for millions of years.