Lugworm poos and the secrets they hold | Natural History Museum

Squiggly little mounds of sand are a common sight when you walk along a beach at low tide. These are the signs of a hidden but industrious worm that has an important place in the beach ecosystem. What's more, a quick look at those sand piles will help you decode a secret that they kept from scientists for rather a long time. ---------------- The Natural History Museum in London is home to over 80 million specimens, including meteorites, dinosaur bones and a giant squid. Our channel brings the Museum to you - from what goes on behind the scenes to surprising science and stories from our scientists.