Science

Annotated checklists of Canadian, Iranian and Iraqi freshwater fish.

Photograph and article from Wikipedia on this barrel-shaped tunicate, including its distribution, nervous systems, relationships and classification.

Laboratory modules using sea urchin eggs to explore fertilization and development.

Illustrated article by Richard L. Howey considering how creatures with no brains, such as the sea urchin, react appropriately to their surroundings.

Rob Toonen's comments about the defense mechanisms of sea cucumbers.

Photographs and a description of this species.

Classification and images of cephalopods from the Tree of Life project.

Information about Architeuthus dux and an illustration.

Photographs and information on Nautilus and Allonautilus which are the last living genera of externally shelled cephalopods.

Photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation.

Information from Wikipedia on this disease which is caused by the dog roundworm, Toxocara canis or the cat roundworm, Toxocara cattis.

Information from Wikipedia on this parasitic nematode, Enterobius vermicularis, that affects humans, its classification and life cycle.

Photographic study by Jean-Marie Cavanihac of these marine organisms.

Provides information designed to help educate aquarists on the basics of marine biology and chemistry and on the proper care of common aquarium corals.

Introduction to the Ctenophora, otherwise known as "comb jellies" "sea gooseberries" or "Venus's girdles."

Article by Wim van Egmond on the sea gooseberries with many photographs of the Ctenophore, Pleurobrachia pileus.

Wikipedia article on the ascomycete fungi that cause powdery mildew on plants.

Photograph of this species.

Article with photographs by Tom Volk on this green mould and a useful explanation of the complex classification system for fungi, their teleomorphs and anamorphs.

The fungus Gibberella zeae and its anamorph, Fusarium graminearum, are the causal agent of a serious disease of wheat. Illustrated article by Tom Volk on the microscopic processes involved in the infection.

Article by Tom Volk on this fungus which grows on rose thorns, and other fungi that can colonise human skin.

Information on Saccharomyces cerevisiae and its use by man from the time of the ancient Egyptians up to modern day commercial production.

This species photographed in Puerto Rico.

Two photographs and information on this basidiomycetous truffle.

Photograph and information on this stipitate polypore.

Photograph and information on this boletoid fungus.

Photograph and information on this bolete.

Photograph and the identifying features of this species.

Information on this species, and photographs of the fruiting bodies and spores.

Photograph of four pine seedlings variously affected by Ceratobasidium spp.

Description and natural habitat of this genus of yeasts, which lack pseudohyphae and hyphae, and their macroscopic and microscopic features.

A number of images of the fruitbodies of this jelly fungus including basidia and spores seen much enlarged.

A number of images of the fruitbodies of this jelly fungus including some magnified specimens.

Article with photographs by Tom Volk on this species which causes heartrot in aspen trees and conks on the trunk.

Description of this species, and photograph of it exuding droplets of red fluid.

Tom Volk and his colleagues discovered that this crust fungus can degrade phenolic resin plastics which are used in laminating formica and which were previously thought to be non-biodegradable.

An article by Sean Westmoreland and Tom Volk on this strange species with indeterminate fruiting bodies.

Tom Volk provides photographs and information on the cauliflower or noodle mushroom.

Several photographs of this resupinate fungus.

Two photographs of this species, with a description of the fruiting body and spores, and information on where and when to look for it.English and Polish.

Tom Volk writes of this fungus, commonly known as oak parchment, which grows and feeds on the dead bark of trees causing smooth patches, and its interesting features when viewed under the microscope.

Several photographs of this species.

Photograph and description of the lion's mane.

Photographs and notes on this blue species.

Photographs of Boletopsis grisea, Boletopsis melaena and Boletopsis subsquamosa. Text in Polish.

Several photographs of this species which infects antirrhinums, and microscopic images of the uredospores.

Many photographs, some enlarged or magnified, of this rust fungus.

Microscopic image of a zygospore.

Information on these algae, the earliest organisms to be preserved in the fossil record, with a diagram and photomicrographs of Anabaena.

Information from Wikipedia on this phylum of bacteria which include many of the species found in the stomachs of ruminants.