Best of the Web - What's New in Science For 6/20/2005

Top > Science > Biology > Plants and Animals > Animalia > Echinodermata

Ask a Marine Scientist: Answers to Echinoderm Questions - Contains details about sea stars, sand dollars, and other symmetrical marine invertebrates.
Phylum: Echinodermata - Characterizes this group of marine animals including the various classes such as starfishes, sea urchins, and feather stars.
Some Weird Echinoderms of the Cincinnatian - Describes unique members of the phylum that are found in this particular area. Includes sketches.
Wonders of the Sea: Echinoderms - Details the distinguishing characteristics and traits of the various classes of these marine animals. Includes sketches.
Shape of Life: Phylum Echinodermata - Presents a brief overview of this group of marine animals together with classifications and common names. Includes images.

Top > Science > Biology > Plants and Animals > Plantae > Bryophyta

Mosses and Liverworts Bryophyta - Presents the gametophyte and sporophyte generations as well as the evolutionary position of the bryophytes. With links and life cycle diagrams.
Bryophytes Mosses, Liverworts and Hornworts - Provides a list of the accepted genera and the number of species under each listing. From the collection of the Southern Illinois University Carbondale.
Mosses and Liverworts, Simple Plants? - Provides a taxonomic classification of the phylum. With images and links to additional references.

Top > Science > Biology > Plants and Animals > Plantae > Hepaticophyta

Photographs of Liverworts - Presents a gallery of representatives of the phylum from the collection of the University of Glasgow. With links to related sites.

Top > Science > Math > Geometry

Area and Volume Formulas - Includes basic formulas for common geometrical figures.
Bob's Pages - An interactive presentation of different geometric figures, including polyhedra, fractals, the arbelos, logarithmic spiral and Soddy's Hexlet.
The Complete Quadrilateral - An interactive column by Alex Bohomolny, discussing theorems and presenting illustrative demonstrations through java-enabled applets.
Cubical Box Distances - Uses java-enabled applets to determine distances. Also provides problems and calculations on surface distances on a cuboid.
Diamond Theory - Description of new geometric theory, which reveals that Euclidean symmetry may be invariant under rather interesting groups of noncontinuous (and asymmetric) transformations.
Encyclopedia of Triangle Centers - A compendium of more than 1,000 triangle centers. Also includes links related to triangle centers.
Erich's Packing Center - Illustrated solutions to several covering, packing, and tiling problems. Includes some animated demonstrations.
Geometry Activities - Filled with problem-solving modules for simplified geometry.

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