Scientists found at least 10 likely new species of bizarre branching worms inside sea sponges; one was hiding in a museum specimen collected in Japan in 1914

PC: Nicole de Voogd/University of GöttingenScientists have discovered at least ten new species of branching marine worms after studying their DNA, newly collected specimens, and body structures. These unusual worms live inside sea sponges and have a distinctive body, with one head connected to a tree-like network of branches.