Cnidaria is one of the more primitive animal phyla. It includes aquatic organisms such as jellyfish, sea anemones, corals, and hydras. Most cnidarians are marine, although a few, such as the well-known hydra, are freshwater species. All cnidarians are...

Cnidaria[3] (pronounced /naɪˈdɛəriə/[4]) is a phylum containing some 11,000 species of apparently simple animals found exclusively in aquatic, mostly marine, environments. On the other hand, their biochemistry and genetic makeup reveal that even...

SISTERHOOD, INTERRUPTED: FROM RADICAL WOMEN TO GRRLS GONE WILDBy Deborah Siegel Palgrave Macmillan, 170 pages, $14.95Review By Linda Hirshman I’m having a very bad time with Deborah Siegel’s very good book, Sisterhood, Interrupted, about how modern feminism has fared across the generational divide. It’s a...