| Astronomylinks_com Over 500 astronomy and space related links, updated frequently. Submit your own link. |
| Cosmobrain_Astronomy_and_Astrophysics Helpful index of links relating to many different aspects of Astronomy. |
| Galactic_Surf Web portal with extensive collection of internet links on astronomy and space topics. |
| LLEK_Bookmarks_Scientific_Search_Engines_-_Astronomy A comprehensive catalog of scientific resources and media worldwide but especially in German and English: Directories of Astronomy Journals; Astronomy-related catalogs of scientific search engines; ad |
| Mike_Boschat\'s_Astronomy_Page Many astronomical sites. |
| Sky_and_Telescope_-_Internet_Resources Astronomy links, lists and newsgroups. |
| The_Telson_Spur__A_Way_Station_for_Snark_Hunters The Snark Hunter's Page is a meta-list of mainly academic resources organized on the theme of necessity vs. contingency in the study of time and evolution. |
| Top20Astronomy_com Online directory for astronomy education. |
| ACDoctor_-_Indoor_Air_Quality_in_Your_Home About identifying, preventing and correcting IAQ problems in residential settings. Commercial site. |
| American_Indoor_Air_Quality_Council A non-profit organization for indoor air quality professionals and technicians. Offers IAQ training and certification. |
| Building_Air_Quality Information on a wide range of IAQ topics, including sick building syndrome, mold, fungi, air duct cleaning, ozone generators, and investigation of indoor air. Commercial site. |
| CEC_Consultants,_Inc__-_Indoor_Air_Quality_FAQ Describes the causes of indoor quality deterioration and how to fix the problem. Commercial site. |
| Commercial_Building_Ventilation_and_Indoor_Environmental_Quality Explains about research that is being performed at the Lawrence Berkeley National Laboratory. Offers explanation of ventilation rates, volatile organic compounds (VOC's), sick building syndrome, and |
| Consumer_Information__Reducing_Indoor_Air_Pollution Brochure covers sources of indoor air pollution and what you can do about each source. |
| EPA\'s_Indoor_Air_Quality Information for homeowner, schools, commercial buildings and environmental professional on indoor air quality. Extensive links to sites. |
| Greenguard_Environmental_Institute A scientific, third party board to establish environmental standards for indoor products and building materials. Aims to improve public health and quality of life by encouraging and helping manufactur |
| Healthy_Indoor_Air_for_America\'s_Homes Basic information for consumers on indoor air quality in their homes. Sponsored by US EPA and other organizations. |
| Indoor_Air International journal from Blackwell Publishing covering research on the nonindustrial indoor environment. General information, contents lists and abstracts. |
| Indoor_Air_Quality Advice on ways to improve the air quality inside your home or place of business. |
| The_Indoor_Air_Quality_Association Nonprofit organization conducting education and research. Offers professional training, testing, and credentials in air quality and mold remediation fields. Includes organization information and links |
| Indoor_Environment_Notebook An expert answers questions related to indoor air pollution, sick building syndrome, and irritants. Includes a 'question of the week' section. |
| The_Inside_Story_-_A_Guide_to_Indoor_Air_Quality EPA's booklet on IAQ. |
| International_Society_of_Indoor_Air_Quality_and_Climate Non-profit organization whose purpose is to address indoor air quality. Founded in 1992 by 109 international scientists. |
| Mold,_Mildew,_Fungus_and_Other_Indoor_Quality_Problems Provides links to resources that "provide information on maintaining good indoor air quality and eliminating problems associated with mold and mildew." |
| Mold_Tips National Association of Homebuilders provides advice on testing, prevention, and control. |
| Ohio_Toxic_Mold_and_IAQ_Information Information on toxic mold, asbestos, radon, lead and other indoor air quality issues |
| Residential_Air_Cleaning_Devices Types, effectiveness, and health impact. From the American Lung Association. |
| Residential_Air-Cleaning_Devices_-_A_Summary_of_Available_Information EPA's booklet on indoor air cleaning devices for the home. |
| Residential_Indoor_Air_Quality Comprehensive guide. Pollutants and their sources are identified along with known health effects, exposure guidelines and pollutant control strategies. |
| Risk_Management_Internet_Services_-_Indoor_Air Providing paid subscribers with a directory of indoor air quality materials on subjects including sick building syndrome and legionella. |
| Sick_Building_Syndrome_and_You Personal site discusses symptoms, hazards, remedies, and the site owner's experiences, with links to other resources. |
| Smoking_and_Indoor_Air_Quality Health Canada factsheet. "Indoor air can become contaminated from many sources, but the most harmful and widespread contaminant of indoor air is tobacco smoke." |
| Smoking_and_Ventilation_Standards Do ventilation systems remove secondhand smoke from indoor air, or just the odor? Information from Americans for Nonsmokers' Rights. |
| WHO__Indoor_Air_Pollution Background on the public-health impacts of indoor air pollution (particularly smoke from cooking and heating with solid fuels on open fires or traditional stoves) and World Health Organization efforts |
| The_Turmoil_Over_Mold_in_Buildings New York Times article provides a discussion of health and legal (US) concerns related to mold and mildew and gives advice to homeowners and building managers. [Requires free registration.] (Ma |
| Advanced_Liquid_Crystal_Technologies,_Inc_ Research and Product Visions for Orientable Gases and Liquids, Science and Art. |
| European_Optical_Society The EOS represents all national optical societies in Europe and its individual members. |
| Gamma_FAQ In video, computer graphics and image processing, gamma represents a numerical parameter that describes the nonlinearity of intensity reproduction. |
| The_History_of_the_Telescope_and_the_Binocular Collection of articles and images. |
| Incite SPIE (the International Society for Optical Engineering), an electronic search service and online purchasing center, contains more than 90,000 SPIE papers and abstracts. |
| International_Commission_for_Optics Contributes on an international basis to the progress and diffusion of knowledge in optics. Gives details on conferences, meetings, awards, travelling lecture programs and ICO newsletters. |
| Light_Bullet_Home_Page The following Web pages discuss the phenomena of "light bullets," intense stable spherical pulses of laser light travelling through certain bulk glass and gaseous media. |
| Lucky_Optics_Technology_Co_,Ltd Manufacturer of cylindrical lenses, toric mirrors, windows,spherical lenses,aspherical lenses, crystals,prisms and other optical components. |
| On-line_Optical_Library On-line Optical Library with a lot of links to papers on the net for beginners to researchers. |
| Optical_Society_of_America A professional society of optical engineers and scientists devoted to advancing the fields of optics and photonics. |
| Optical_Tweezers_and_Laser_Scalpel Collection of links. |
| Optics_&_Electrics_Forums Optics and Electrics Technical Forums. |
| Optics_Express Electronic, peer-reviewed, journal. Provides free access to full text articles. |
| Optics_net_-_Photonics_and_Optics_Portal Optics, lasers, fiber and photonics technical directory and community with research and development, employment and business forums. |
| Optics_org Online resource on optical, photonic, imaging, electronic, and optoelectronic technologies. |
| The_Photonics_Dictionary Browse or search. |
| Photonics_Jobs_Inc_ Photonics Jobs Inc. offers employment resources for photonics, optical, laser and MEMS industries. |
| Photonics_Online Daily news and product updates for professionals in the optoelectronics industry: manufacturing, technology, equipment, supplies, discussion forums, chat, newsletter and software. |
| Photonics_Spectra Magazine on optics, lasers, imaging, fiber optics, electro-optics, and optoelectronics; Laurin Publishing. |
| Photonics_com Photonics news; Laurin Publishing. |
| PhotonicsFiber Fiber optics industry news; Laurin Publishing. |
| Sofia_University_OSA_Student_Chapter Chapter of the Optical Society of America at Sofia University, Bulgaria, established to promote the Science of Light among the students and to broaden their insight for post-graduate career. |
| Archaeology_Info Comprehensive human evolution and archaeology online resource for amateurs and experts alike. |
| Australian_and_Asian_Palaeoanthropology Information and teaching resources on human evolution and the hominid fossil record from Australia, East Asia and South-East Asia. |
| BBC_News__Asteroids_May_Have_Affected_Human_Evolution The ascent of mankind could have been influenced by frequent cosmic catastrophes. |
| BBCi_-_Cavemen Essays, and videos related to the BBC series about human evolution. |
| Becoming_Human Arizona State University's Institute for Human Origins reviews four million years of human evolution in an interactive documentary. Includes an extensive glossary, a bibliography, and an annotated set |
| A_Brain_for_All_Seasons__Human_Evolution Offers an outline of William Calvin's from his book about a theory about human brain evolution and climate change. |
| Carboniferous_Human_Bones A discussion and thorough critique of claims that human bones have been found in context with Carboniferous age geological formations. |
| Did_Language_Reduce_Sequence_Variation?__The_Evolution_of_Humans Two articles regarding theories of rapid evolution through biased gene conversion and loss of allelic variation, leading to the winnowing of the bushy hominid tree. |
| An_Essay_on_Human_Evolution A speculative essay on primate evolution in East Africa in the period between approximately five million years BCE and two and one-half million years BCE, during which significant pre-human evolution |