Known as the Hydra, these creatures are small invertebrates with soft bodies that resemble jellyfish, native to temperate and tropical regions. The secret behind the Hydra’s longevity and its namesake ...

Human hands are able to grasp a wide range of object sizes, shapes, and weights, achieved via reshaping and altering their apparent grasping stiffness between compliant power and rigid precision.

Guide to identification of marine and estuarine invertebrates; Cape Hatteras to the Bay of Fundy by Gosner, Kenneth L., 1925- Publication date 1971 Topics Marine invertebrates -- Identification ...