Experts agree and tests have proven, the most effective repellents on the market contain DEET and those without it do not provide the same protection from insect bites. Using a non-DEET product could mean that users are at greater risk for bites. DEET has a 45-year track record of reliable use and extensive scientific study, while much less is known about alternatives.

Numerous scientific studies have been conducted and published in peer-reviewed journals. In 2002, for example, researchers at the University of Florida's Medical Entomology laboratory compared the effectiveness of DEET-based repellents to some alternative products and found that DEET-based repellents were far more effective (Fradin-Day, New England Journal of Medicine, July 4, 2002).

DEET (N, N-diethyl-m-toluamide) is the active ingredient in most insect repellents available in the United States that are applied to the skin. DEET was developed more than 50 years ago by the U.S. Department of Agriculture for use by our military. It was registered for use by the general public in 1957.

There are a number of EPA-registered alternatives available utilizing lemon/eucalyptus (RepelR) and picaridin (Cutter AdvancedR) formulations. If applied properly and reapplied as needed, they are every bit as effective as DEET, and will provide adequate relief.

DEET is not an insecticide and neither kills nor harms the pests it repels. DEET interferes with the mosquito's ability to detect the carbon dioxide our bodies release.

In 1988, the United Nations Environment Programme and the World Meteorological Organization set up the Intergovernmental Panel on Climate Change (IPCC) to examine the most current scientific information on global warming and climate change. More than 1,250 authors and 2,500 scientific experts reviewers from more than 130 countries contributed to the panel's most recent report, Climate Change 2007: The Fourth Assessment Report (the full report will be released in November 2007).

Swamp eels belong to the family Synbranchidae. The swamp eel introduced to the United States belongs to the genus Monopterus. There may be more than one species. Until recently scientists have used the name Monopterus albus for all U.S. populations.

DEET is an acronym for the substance Diethyl-N-Toluamide. This chemical was developed by the US Dept. of Agriculture and is manufactured by 2 of the largest chemical corporations (US) in the world. It is has been described by some as the 'gold standard' for insect repellents and is the widest used. Over 30 brands are available in the US alone where the market is worth over US$35 million a year.

Mosquitoes and other blood-feeding flies (such as black flies and deer flies) are attracted to hosts by skin odors and carbon dioxide from their breath. When a mosquito gets close to a host, DEET and some other repellents jam the insect's sensors and confuse the insect so it is unable to land and bite the host successfully. Repellents are effective only at short distances from the treated surface, so the user may still see mosquitoes flying nearby.

If you suspect that you or your child is reacting to an insect repellent, discontinue use, wash the treated skin and call your physician or local poison control center. If you go to a hospital or doctor, take the repellent with you. Additional information about the active ingredients in repellents and other pesticides may be obtained from:

DEET stings when it gets in your eyes. Follow label directions, flushing your eyes with fresh water as soon as you can.

A number of companies that manufacture DEET and formulate DEET-based repellents sponsor the DEET Education Program. The primary goals of the program, which operates under the auspices of the Consumer Specialty Products Association based in Washington , D.C. , are to develop science-based information and educational materials for both professionals and the general public and to communicate with those audiences.

DEET-based repellents are available at grocery stores, pharmacies, sporting goods stores, home improvement centers, and other retail outlets.

We do not have scientific data regarding the use of DEET on household pets and recommend that you contact your pet's veterinarian to obtain appropriate advice.

We do not have specific scientific information regarding the use of DEET on horses. There are highly effective vaccines for horses. We recommend you discuss vaccinating your horse(s) with your veterinarian.

The U.S. Environmental Protection Agency regulates DEET. Based on additional safety studies, the EPA re-registered DEET in 1998 for use according to label instructions. Registration of products for sale to consumers occurs only after determining that the products meet the strictest standards of effectiveness and after having assessed potential risks to human health and to the environment.

DEET is not a recognized or suspected carcinogen. In addition, in a recent review of the scientific literature about DEET, the U.S. Environmental Protection Agency (EPA) could find "no toxicologically significant effects in animal studies." However, DEET can cause serious irritation to the eyes, nose, and mouth. Do not apply repellents to a child’s hands since children often put their hands in their mouths or rub their eyes.

The core SciPy has all the functionality of the old Numeric module: support for arrays and matrices, fast Fourier transforms, and basic input/output functionality. The full SciPy also has the following modules: clusterinformation theory functions (currently, vq and kmeans) fftpackfast Fourier transform module based on fftpack and fftw when available integratenumeric integration for bounded and unbounded ranges. ODE solvers. interpolateinterpolation of values from a sample data set.

Earth 911 does not house scientific data other than what appears on the site. You will need to do a keyword search for your topic both on the Web and at your local public or university library. However, there is a lot of good information, including environmental publications, on the United States Environmental Protection Agency Web site.

Homeopathic philosophy has taken every type of disorder into consideration while formulating tenets for prescription. There are clear rules about classification of disorders, the plan of treatment once the disorders have been classified, rules for prescription, rules for changes in prescription, rules for changes in remedies, interpretation of symptoms AFTER the medicines are prescribed, rules for the first and subsequent prescriptions and rules for prescribing for terminal disorders.

DEET is very stable and therefore the federal government does not require an expiration date. Call the manufacturer for specifics on your product. DEET-based products have been subjected to rigorous scientific scrutiny over many years. These tests have continued to confirm that consumers can use these products with confidence, according to product labeling directions for ALL family members. Additionally, tests confirm that DEET does not cause cancer, birth defects, or genetic changes.

The best way to "advertise" the availability of novel strains is through peer-reviewed publications and presentations at national and international meetings. Additionally, if you deposit a strain in a stock center or repository, it will appear on the repository's list of available strains, which can be searched by other researchers.

There are two recommendations for scientific visualization. AVS/Express from Advanced Visualization Systems is available under our Statewide Software License Program. See the Software section for further information. The Visualization Toolkit, VTK, is an open source software system for 3D computer graphics, image processing and scientific visualization. A related application is ParaView. Paraview runs on distributed and shared memory parallel as well as single processor systems.

For casual use by most people, a high concentration of DEET is not needed. Products with 25 percent to 35 percent DEET will provide adequate protection for adults under most conditions; use lower concentrations for children. To make sure you will not react to the repellent, apply the product to a small area of skin on your arm or leg before general use. After returning indoors, wash treated skin with soap and water. Wash treated clothing before wearing again.

If you do not want to use a product containing DEET, or if your physician advises you to avoid DEET, there are other products that give you limited protection. These repellents generally use plant-based oils to repel insects. In comparison to DEET based products, plant oil-based repellents are generally effective for a shorter time (usually less than about two hours). Note: Vitamin B, ultrasonic devices and incense have not been shown to be effective in preventing mosquito bites.

DEET is one of the most common ingredients in insect repellents. DEET is absorbed through the skin. In high concentrations, DEET can have harmful side effects. The American Academy of Pediatrics recommends using repellents with no more than 6 to 10% DEET on children. For adults select repellents with no more than 30% DEET. Use DEET with caution. Always read the label before using any insect repellent.

The federal Centers for Disease Control and Prevention and the American Academy of Pediatrics both recommend using DEET-based repellents to help prevent mosquito and tick bites. The CDC says DEET-based repellents "are very safe when used according to the directions." The AAP suggests that DEET-based repellents be used to protect against insect- and tick-borne disease and advises parents that products containing up to 30 percent DEET can be used on children over the age of two months.

The DEET Education Program does not provide medical advice or answer questions of a medical nature. Such inquiries should be directed to your healthcare providers or to local and state public health officials.

DEET-based insect repellents are available in a range of concentrations from5 percent to 100 percent. A 5 percent product will provide approximately 90 minutes of protection and a 100 percent product approximately 10 hours. The "effective" time increases as you increase the concentration of DEET. Generally, the longer you are outside, the higher the concentration you should use.