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Terrestrial (Earth)
Sphere Land, Ice, Water (Ocean), Air, Life (Cell, Gene, Microscope)
Ecosystem Forest, Grassland, Desert, Arctic, Aquatic

Tree of Life
Plant Flower, Tree
Invertebrate Octopus, Ant, Bee, Butterfly, Spider, Lobster
Vertebrate Fish, Seahorse, Ray, Shark, Frog, Turtle, Tortoise, Dinosaur
Bird, Ostrich, Owl, Crow, Parrot
Mammal Bat, Rabbit, Giraffe, Camel, Horse, Elephant, Mammoth
Whale, Dolphin, Walrus, Seal, Polar Bear, Bear, Cat, Tiger, Lion, Dog, Wolf
Monkey, Chimpanzee, Human


These are organized by a classification scheme developed exclusively for Cosma. More…



Spiders (Harvard Subject Guides)


spider : any of an order (Araneae synonym Araneida) of arachnids having a short, usually unsegmented abdomen linked to the cephalothorax by the pedicel, chelicerae modified into poison fangs, and two or more pairs of spinnerets at the posterior end of the abdomen for spinning threads of silk for various uses (as in making cocoons for their eggs or webs to catch prey) — Webster

OneLook, Free Dictionary, Wiktionary, Urban Dictionary


Roget’s II (Thesaurus.com), Merriam-Webster Thesaurus, Visuwords


Spider Glossary (Spiders from Europe, Australia and some immunology)


Spiders are air-breathing arthropods that have eight legs and chelicerae with fangs that inject venom. They are the largest order of arachnids and rank seventh in total species diversity among all other orders of organisms. Spiders are found worldwide on every continent except for Antarctica, and have become established in nearly every habitat with the exceptions of air and sea colonization. — Wikipedia

Encyclopædia Britannica





Arachnology is the scientific study of spiders and related animals such as scorpions, pseudoscorpions, and harvestmen, collectively called arachnids. Those who study spiders and other arachnids are arachnologists. — Wikipedia



Orb-Weavers: Web Masters of the Spider World (Harvard Museum of Natural History)


WorldCat, Library of Congress, UPenn Online Books, Open Library



Under the spell of spiders (Smithsonian)
Spiders and Scorpions (Biology4Kids)


OER Commons: Open Educational Resources



How to become an Arachnologist (Chris Buddle, Arthropod Ecology)


Arachnology (British Arachnological Society), Science Daily, Phys.org, NPR Archives








Lucas the Spider (YouTube Channel)



OEDILF: The Omnificent English Dictionary In Limerick Form


Song Lyrics


Spiders in literature (Wikipedia)


Spider Mythology and Folklore (Patti Wigington, ThoughtCo)
Spiders in folklore and mythology (Wikipedia)



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Spiders and Ticks News -- ScienceDaily Spiders, scorpions and ticks in the news. Learn why a spider hanging from a thread does not rotate, how spiders find a mate and how ticks carry Lyme Disease. Read about spider silk and spider webs.

  • Model predicts where ticks, Lyme disease will...
    on December 23, 2020 at 12:29 am

    By drawing from decades of studies, scientists created a timeline marking the arrival of black-legged ticks, also known as deer ticks, in hundreds of counties across 10 Midwestern states. They used these data - along with an analysis of county-level landscape features associated with the spread of ticks - to build a model that can predict where ticks are likely to appear in future years.

  • A gene from ancient bacteria helps ticks spread...
    on December 10, 2020 at 4:21 pm

    One reason ticks spread Lyme disease so well goes back to a unique evolutionary event. Researchers discovered that an antibacterial enzyme in ticks, Dae2, protects them from bacteria found on human skin, while still allowing them to harbor Borrelia burgdorferi, the bacterium that causes Lyme disease. Ticks acquired the gene for this enzyme 40 million years ago from an unknown species of ancient bacteria.

  • Spiders in space: Without gravity, light becomes...
    on December 9, 2020 at 4:51 pm

    Humans have taken spiders into space more than once to study the importance of gravity to their web-building. What originally began as a somewhat unsuccessful PR experiment for high school students has yielded the surprising insight that light plays a larger role in arachnid orientation than previously thought.

  • Researchers developed a sequence analysis...
    on December 3, 2020 at 5:22 pm

    A novel bioinformatics pipeline identifies both previously known and novel viruses.

  • False widow spiders bite can transmit harmful...
    on December 1, 2020 at 7:40 pm

    A team of zoologists and microbiologists have published a new study showing that common house spiders carry bacteria susceptible to infect people, with the Noble False Widow spiders also carrying harmful strains resistant to common antibiotic treatments.

Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.

  • Taking sieving lessons from nature
    on January 21, 2021 at 2:17 pm

    Generating membranes using electrochemical polymerization, or electropolymerization, could provide a simple and cost-effective route to help various industries meet increasingly strict environmental regulations and reduce energy consumption.

  • How the male mantis keeps its head during rough...
    on January 20, 2021 at 9:10 am

    A male Springbok praying mantis looking for a hook up doesn't have to worry about a female stealing his heart away.

  • Aphids suck: Invasive aphid found on Danish apple...
    on January 19, 2021 at 5:22 pm

    The spirea aphid, Aphis spiraecola, an invasive pest, has been discovered for the first time in Denmark by University of Copenhagen researchers. The extent of its current distribution remains unknown, but in time, it could prove to be a troublesome pest for Danish apple growers.

  • Evidence of huntsman spider creating leaf trap...
    on January 11, 2021 at 4:34 pm

    A team of researchers from the Centre of the SAVA Region and the University of Antananarivo, both in Madagascar, and one from the University of Goettingen in Germany, has found evidence of a huntsman spider living in a northeastern part of Madagascar creating a trap for tree frogs. In their paper published in the journal Ecology and Evolution, the group describes their observation of a huntsman spider pulling a dead frog into what appeared to be a custom-made leaf trap.

  • Eight binary millisecond pulsars examined by...
    on January 11, 2021 at 1:50 pm

    Using the Arecibo 305-m radio telescope, an international team of astronomers has investigated eight binary millisecond pulsars (MSPs). Results of this study, presented in a paper published December 30 on the arXiv pre-print server, provide important information about the properties of these sources.