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Yellow sac spider -- The Yellow sac spider (Cheiracanthium inclusum) is not a true sac spider but a long-legged sac spider. It is one of a handful of spiders in North America whose bites are generally considered to be ... > full article

Brown recluse spider -- The brown recluse spider is a venomous spider, Loxosceles reclusa. It is usually between 1/4 and 3/4 inch (6.4-19.1mm) but may grow larger. It is brown and usually has markings on the dorsal side of ... > full article

Hobo spider -- The Hobo Spider (Tegenaria agrestis) is a member of the genus of spiders known colloquially as funnel web spiders. The spider's venom is strong enough to cause considerable local pain and also to ... > full article

Mite -- Mites, together with ticks, belong to the subclass Acarina (also known as Acari) and the class Arachnida. Mites are among the most diverse and successful of all the invertebrate groups. They have ... > full article

Widow spider -- The widow spiders are members of the spider genus Latrodectus, in the family Theridiidae. Latrodectus includes approximately 31 recognized venomous species, with the black widow spider (Latrodectus ... > full article

Necrosis -- Necrosis is the name given to unprogrammed death of cells and living tissue. It is less orderly than apoptosis, which are part of programmed cell death. In contrast with apoptosis, cleanup of cell ... > full article

Tick -- Tick is the common name for the small arachnids that, along with mites, constitute the order Acarina. Ticks are ectoparasites (external parasites), living by hematophagy on the blood of mammals, ... > full article

Black widow spider -- The black widow spider (Latrodectus spp.) is a spider notorious for its neurotoxic venom. It is a large widow spider found throughout the world and commonly associated with urban habitats or ... > full article

Spider -- Spiders are predatory invertebrate animals with two body segments, eight legs, no chewing mouth parts and no wings. They are classified in the order Araneae, one of several orders within the larger ... > full article

Tularemia -- Tularemia (also known as "rabbit fever") is an infectious disease caused by the bacterium Francisella tularensis. The disease is endemic in North America, and parts of Europe and Asia. The primary ... > full article

Rocky Mountain spotted fever -- Rocky Mountain spotted fever is the most severe and most frequently reported rickettsial illness in the United States, and has been diagnosed throughout the Americas. Some synonyms for Rocky Mountain ... > full article

Keratin -- Keratins are a family of fibrous structural proteins; tough and insoluble, they form the hard but nonmineralized structures found in reptiles, birds and ... > full article

Opiliones -- The Phalangids (legacy name) or Opiliones (better known as "harvestmen") are eight-legged invertebrate animals belonging to the order Opiliones in the class Arachnida, inthe subphylum Chelicerata of ... > full article

Carnivore -- A carnivore is an animal that eats a diet consisting mainly of meat, whether it comes from live animals or dead ones (scavenging). Some animals are considered carnivores even if their diets contain ... > full article

Crane fly -- The crane flies (Tipulidae) are a family of insects resembling giant mosquitoes. They are sometimes called mosquito eaters, mosquito hawks, or skeeter eaters. Adult crane flies feed on nectar or not ... > full article

Vector (biology) -- Traditionally in medicine, a vector is an organism that does not cause disease itself but which spreads infection by conveying pathogens from one host to another. Species of mosquito, for example, ... > full article

Silk -- Silk is a natural protein fibre, some forms of which can be woven into textiles. The best-known type of silk is obtained from the cocoon of silkworm larvae reared in captivity (sericulture). The ... > full article

Tarantula -- True tarantulas are spiders belonging to the family Theraphosidae. Certain members may also be known as bird spiders, monkey spiders, baboon spiders or rain spiders. They are characterized by having ... > full article

Arthropod -- Arthropods (phylum Arthropoda) are the largest phylum of animals and include the insects, arachnids, crustaceans, and others. More than 80% of described living animal species are arthropods, with ... > full article

Maggot -- A maggot is the larval stage of the fly life cycle, famous for eating decomposing flesh. Sometimes "maggot" is used to refer to the larval stage of any insect. Maggots are generally 4 to 12 mm in ... > full article

 

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Summaries | Headlines

Lyme Disease Cases More Than Double Since 1991 (June 28, 2007) -- Reported cases of Lyme disease have more than doubled since 1991, when Lyme became a nationally notifiable disease, according to a report by the Centers for Disease Control and Prevention (CDC). The ... > full story

Biologists Unravel The Genetic Secrets Of Black Widow Spider Silk (June 14, 2007) -- Biologists have identified the genes, and determined the DNA sequences, for two key proteins in the "dragline silk" of the black widow spider -- an advance that may lead to a variety of new materials ... > full story

Venomous Brown Widow Spiders Making Themselves Known In Louisiana (May 13, 2007) -- A dangerous spider is making itself known to Louisiana residents. The brown widow spider is becoming more common in the state of Louisiana, according to ... > full story

Old-Time Mosquito Remedy May Work Against Ticks, Too (May 10, 2007) -- A granddad's wisdom, already helpful in the fight against mosquitoes, may also prove useful in battling disease-spreading ... > full story

Treating Ticks With Antibiotics Inhibits Their Reproduction (May 8, 2007) -- Bacteria that may provide ticks with essential nutrients they can't get from their meals of blood could be a key to controlling ticks and the diseases they carry, such as Lyme ... > full story

Female Ticks Have Market On Gluttony (April 29, 2007) -- Sex makes you fat. If you're a female tick, that is. The "truly gluttonous" female ixodid tick increases her weight an astounding 100 times her original size after she mates, so scientists ... > full story

Lyme Disease Vaccine Proteins Patented (April 10, 2007) -- Scientists have received a US Patent for developing chimeric, or "combination," proteins that may advance the development of vaccines and diagnostic tests for Lyme ... > full story

Fascinating Spider Silk (April 6, 2007) -- Spider silk would be an ideal material for a large variety of medical and technical applications, and researchers are thus interested in learning the spiders' secrets and imitating their technique. ... > full story

Why Are There So Many More Species Of Insects? Because Insects Have Been Here Longer (April 4, 2007) -- Scientists show that many insect groups like beetles and butterflies have fantastic numbers of species because these groups are so old. In contrast, less diverse groups, like mammals and birds, are ... > full story

A Rarity Among Arachnids, Whip Spiders Have A Sociable Family Life (March 13, 2007) -- Whip spiders, considered by many to be creepy-crawly, are giving new meaning to the term touchy-feely. In two species of whip spiders, or amblypygids, mothers caress their young with long feelers, ... > full story

Wolves, Moose Struggling On Isle Royale National Park, USA (March 12, 2007) -- A plague of ticks, stifling hot summers and relentless pressure from wolves have driven the moose population on Isle Royale National Park to its lowest ebb in at least 50 years. Their numbers have ... > full story

Spiders: Chastity Belts Protect Paternity (March 5, 2007) -- The fact that female wasp spiders have numerous sexual contacts is something which their male partners cannot prevent. What they can do, however, is ensure that no offspring ensue from these liaisons ... > full story

< more recent summaries | earlier summaries >

Radical Evolution : The Promise and Peril of Enhancing Our Minds, Our Bodies -- and What It Means to Be Human
In Radical Evolution, bestselling author Joel Garreau, a reporter and editor for the Washington Post, shows us that we are at an inflection point in history. As you read this, we are engineering the ... > read more

Plan B 2.0: Rescuing a Planet Under Stress and a Civilization in Trouble
In this new edition, Lester Brown outlines a survival strategy for our early twenty-first civilization.The world faces numerous environmental trends of disruption and decline such as rising ... > read more

A Million Little Pieces
News from Doubleday & Anchor Books The controversy over James Frey's A Million Little Pieces has caused serious concern at Doubleday and Anchor Books. Recent interpretations of our previous ... > read more

Aircraft Accident Analysis: Final Reports
Fascinating and factual accounts of the world's most recentand compelling crashes Industry insiders James Walters and Robert Sumwalt, trained aviation accident investigators and commercial airline ... > read more

Come Hell or High Water: Hurricane Katrina and the Color of Disaster
What Hurricane Katrina reveals about the fault lines of race and poverty in America-and what lessons we must take from the flood-from best-selling "hip-hop intellectual" Michael Eric Dyson Does ... > read more

High Noon 20 Global Problems, 20 Years to Solve Them
The most impressive idea to emerge from the recent World Economic Summit in Davos, Switzerland: a new approach to identifying and managing the world's twenty most pressing problems. In this age of ... > read more

Healthy Black Hair: Step-by-Step Instructions for Growing Longer, Stronger Hair
Healthy Black Hair-step-by-step instructions for growing longer, stronger hair is not just another hair care book. Although chock full of styling and hair care tips, it includes a complete hair care ... > read more

Worst Case Scenario Survival Handbook: Travel
Be very, very afraid. When you step through your door for an innocent excursion, grave danger awaits. You might be mugged; tied up; attacked by scorpions, piranhas, or tarantulas; trapped in a ... > read more

My Life as a Quant : Reflections on Physics and Finance
Emanuel Derman was one of the first physicists to move to Wall Street, and his career paralleled the growth of quantitative trading over the past twenty years. In My Life as a Quant , he traces his ... > read more

Statistical Methods in Bioinformatics : An Introduction (Statistics for Biology and Health)
Advances in computers and biotechnology have had a profound impact on biomedical research, and as a result complex data sets can now be generated to address extremely complex biological questions. ... > read more

 
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