Science

Species list from the USGS on the nonindigenous sponges found in US waters, with factsheets and collection details.

Photographic article on the constituent parts of the jaws of this species.

Photographs and information on this genus of freshwater rotifers.

Information on the classification of the peanut worms with a photograph of Phascolopsis gouldii.

Introduction, taxonomy of the tardigrade genera, and a description of Pseudobiotus megalonys. In German and English.

A Time Magazine article that mentions Abbe Spallanzani, who discovered tardigrades in 1776, approaching the French philosopher Voltaire to ask about the soul of organisms that can be rehydrated and brought back to life.

Information from Wikipedia on various fungi from the order Ophiostomatales which have a symbiotic relationship with the ambrosia beetle.

Tom Volk provides photographs and information on these causal agents of tar spot of maple.

Tom Volk provides photographs and information on this fungus, found growing in a kangaroo's pouch, which provides a missing link between fungi and plants.

Information from Wikipedia about this group of underground fungi which exchange nutrients with higher plants through a mycorrhizal arrangement.

An illustrated introduction to the lichens with information on their ecology and reproduction.

A lichen is a combination of two organisms which live together intimately. Information on their fossil record, life history and ecology, systematics and morphology.

Photographs of Acolium hawaiiense, Acroscyphus sphaerophoroides, Anaptychia leucomelos, Bacidia medialis, Bryoria furcellata, B. smithii, Buellia aeruginascens, B. proximata, B. pruinosa, B. tincta, Caloplaca erythrantha and Teloschistes flavicans.

The Forest Inventory and Analysis service in the United States monitors the lichen community in order to assess the impact of air pollution on forest health.

Information from Wikipedia on this phylum of fungi the members of which are molds living on soil or decaying plant or animal material.

Taxonomy, description, and extensive references, with particular emphasis on the Crenarchaeota (classified here as a Kingdom.)

Taxonomy browser, with some links.

Reports the decoding of the Pyrococcus abyssi, which lives in the intense pressure and temperature of black smoker vents on the seafloor.

Alphabetically and chronologically arranged lists of taxa, with additional information on bacterial taxonomy.

Free to use horticultural and conservation research tool with an up-to-date list of all the world's Cycad species.

Phylogenetic trees, technical descriptions of all orders and families, references, and links. By Peter Stevens of the Missouri Botanical Garden.

Article by Wim van Egmond introducing these delicate unicellular organisms that have yellow-brown chloroplasts that enables them to photosynthesize, with fine photographs.

Photographic observations by Jim Evarts of the fission and conjugation of these protozoans.

Includes sections on the fossil record, life history and ecology, systematics, and morphology.

Photographs and information on these single-celled organisms.

Information on slime moulds which were originally considered to be fungi by mycologists and amoebae by zoologists, respectively classified as Myxomycota (slime fungi) or Mycetozoa (fungus animals).

The taxonomic placement of this parasitic worm long puzzled biologists. Information from Wikipedia on this species, sometimes known as Tetracapsula bryozoides.

Information from Wikipedia on this protozoan parasite that inhabits the gut, its life cycle, how the infection manifests itself and how it can be prevented and treated.

Article from Wikipedia on this single-celled organism, its habitat, anatomy and reaction to outside stimuli such as changes in salinity.

Description and significance, genome structure, cell structure, metabolism and ecology.

Information on Giardia intestinalis (or Giardia lamblia) which is a human pathogen, and diagrams and information on the life cycle of this protozoan flagellate.

Carry out research, development and training in the genetic improvement of livestock for the benefit of Australian agriculture. Includes databases, publications, education, and employment.

A repository of information and services to assist the fungal genomics community. Includes physical maps, sequence data, ongoing projects, and related links.

Guide to the collection of papers held at the California Institute of Technology . Includes descriptive summary, collection history, and biography.

Visiting associate faculty in the division of biology at Caltech. Provides details of publications which include the book: Computational Modeling of Gene Regulatory Networks: A Primer.

Database of the genome of Helicobacter pylori. Features a complete dataset of DNA and protein sequences linked to the relevant annotations and functional assignments.

Publishes papers on all structural, functional, and evolutionary aspects of genes, chromatin, chromosomes and genomes. Includes abstracts from past issues.

Animal breeding oriented programs for sparse matrix multiple trait REML and BLUP. Fortran source is free for research use.

Free software to assist learning quantitative genetic concepts (animal breeding) for WIN.

Groeneveld's Variance Component Estimation software was developed for animal breeding problems. WIN and UNIX versions are free for research use. PEST documentation is also available here.

Short biography.

An extract from Darwin's autobiography offers an insight on his religious views.

Paper includes a short biography and commentary on aspects of Charles Darwin's scientific research, particularly in the context of the times and in relation to Darwin's "human" side.

Complete works and biographical details from a free online books library.

Pilot project based at the American Museum of Natural History which aims to make the full literature of evolution, from the 17th century to the present time, available online within a historically and topically coherent structure.

Covers Wallace's life and work, images, FAQ, and information about the Wallace Memorial Fund and its projects. Includes video and sound recordings, and map of UK sites, and literature downloads.

Company focused on the discovering, developing and manufacturing growth factors, cytokines and recombinant proteins for cell culture research both in vitro and in vivo. Online, phone or fax ordering; e-mail and telephone contacts.

Official journal of the Society for Biological Therapy. Focusing on clinical studies of the immunologic response to cancer and other diseases. Table of contents, author guidelines, editorial board and subscription information.

Specializes in technologies for live cell-based assays and affiliated technologies including confocal high-throughput imaging.

Environmental molecular and genetic microbial source tracking services for determining sources of fecal pollution.