Due to their simple body structure with a limited number of cell types, freshwater polyps (Hydra) can be used to study many fundamental processes of life. In recent years, Hydra has also experienced a ...

HEADY Role in Hydra Hydra, a multicellular, lower-eukaryotic, freshwater polyp, is known for its developmental idiosyncrasies. Slice off its head or its foot, and within two days either regenerates ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...