Science.gov

This is the United States government's science portal. It has an extensive directory of science related websites, such as astronomy and space, math, physics and chemistry, science education, energy and energy conservation and more. - [Science.gov]

http://www.science.gov/

TropHort

TropHort provides historic and current articles in biology and in the applied life sciences agriculture and horticulture. The site focusses on the horticulture of vegetables and fruits and contains information on tropical horticulture and bamboo agronomy. - [TropHort]

http://trophort.com

Be Green Now

Provides tips about how to reduce your production of greenhouse gases, eco-action tips, ability to buy trees to plant, sign up for their newsletter, and more. - [Be Green Now]

http://www.begreennow.com

Natural Science

Encompasses everything you ever wanted to know in the field of natural science, providing extensive links to up to the minute technological news, cutting edge research, journals, newsletters and archives. From biochemistry and physics, to global ecology and weather, you can find it here. - [Natural Science]

http://naturalscience.com/

MegaConverter.com

MegaConverter is an educational website that helps you convert quantities used in different systems. Whether you have angles, chemistry measurements, area, metric measurements or even kitchen measures, this site can help convert it into the unit most useful to you. - [MegaConverter.com]

http://www.megaconverter.com/

D.G. Leahy

The New Universal Consciousness is a philosophy website created by D.G. Leahy. Articles on mathematics, physics, philosophy, and other subjects serve as the core of this website devoted to exploring the intellectual side of life. There are also short audio clips by Leahy that summarize the main ideas explored here. - [D.G. Leahy]

http://dgleahy.com/

Thermosense

Website of the annual infrared thermomgraphy applications conference. Find out about upcoming and previous conferences, read copies of papers presented, learn about the mission, view the IR image gallery and more. - [Thermosense]

http://www.thermosense.org/dev/

National Institute of Standards and Technology (NIST)

NIST educates the public on their mandate to support and improve the standards and technology in today's society. Products and services include outreach centers, reference databases, software, publications and national accreditation programs. Industry sectors include aerospace, automotive, computers, construction, energy, healthcare and more. - [National Institute of Standards and Technology (NIST)]

http://www.nist.gov/

Smithsonian's National Zoo

Represents a large, complex and diverse organization teaching conservation and educating people about the marvels of nature. Provides resources and programs designed to protect and appreciate wildlife and their habitats through education and exploration. - [Smithsonian's National Zoo]

http://nationalzoo.si.edu/

All Species Foundation

Dedicated to creating a complete inventory of all of Earth's species in the next twenty-five years. The Foundation's Species Toolkit has a resource of more than 800,000 species available for consultation, with regular updates. All Species is a non-profit organization based in the United States. - [All Species Foundation]

http://www.all-species.org/

Agricultural Research Service (ARS)

The ARS of the United States Department of Agriculture is a leading scientific research organization in agriculture. The service has more than two thousand scientists and it makes available their considerable research on the website as well as other information on the current state of US farming. - [Agricultural Research Service (ARS)]

http://www.ars.usda.gov/

African Wildlife Foundation (AWF)

AWF is dedicated to preserving the wildlife and wild lands of Africa for future generations. The Foundation works with Africans to empower and conserve their natural world and provides great information on their projects. Those interested can donate to the Foundation directly or choose to adopt an animal via the Foundation's representatives. - [African Wildlife Foundation (AWF)]

http://www.awf.org/

Earth System Research Laboratory (ESRL)

The Climate Analysis Branch, part of ESRL at the U.S. Department of Commerce, conducts research into climate concerns to help policy makers. There is detailed weather data here, as well as data plots and materials of interest to academic researchers. - [Earth System Research Laboratory (ESRL)]

http://www.cdc.noaa.gov/

National Science Foundation (NSF)

The NSF funds research in many areas of science and engineering, and also explores potential projects with scientists, engineers and educators. The website provides news, free publications, articles pertaining to new discoveries, statistical information, videos and podcasts. - [National Science Foundation (NSF)]

http://www.nsf.gov/

Online Conversion

Online conversion tools. Find conversions for length, temperature, speed, weight, currency, frequency, clothing and more. The site offers a message forum, articles and FAQs about the metric and imperial systems. - [Online Conversion]

http://www.onlineconversion.com/

Oak Ridge National Laboratory (ORNL)

The ORNL conducts research in the areas of neutron science, nature, energy, supercomputing, systems biology and national security. Learn about the history of ORNL and view video and photos of the laboratory. Resources include laboratory news, educational programs and how to plan a visit to Oak Ridge National Laboratory. - [Oak Ridge National Laboratory (ORNL)]

http://www.ornl.gov/

Mutual UFO Network

MUFON is an organization that is dedicated to the scientific study of unidentified flying objects. The site has information on UFO case files, an events calendar and a discussion board. The site also has information on local chapters of the MUFON organization. - [Mutual UFO Network]

http://www.mufon.com/

Sigma Xi

A scientific organization that honors excellence in scientific research. The organization has chapters all over the United States and you can find contact information for those chapters here. You can also find information on becoming a member of Sigma Xi. - [Sigma Xi]

http://www.sigmaxi.org/

SciCentral.com

SciCentral provides access to worldwide scientific research and a variety of resources. The site has news on discoveries and other scientific advances in bioscience, health sciences, physics, chemistry, engineering and more. The site also has listings of science jobs. - [SciCentral.com]

http://www.scicentral.com/

Scirus

A science search engine that will be most useful to scientific researchers and students. This powerful search utility can search science journals, expert web sites and the Internet in general. The site accepts submissions if you have a scientific resource that you want to see included. - [Scirus]

http://www.scirus.com/

United States Geological Survey (USGS)

The official website of the USGS, a scientific organization run by the US government. The USGS researches biology, geography, water, geology and geospatial subjects. Those interested in working for the USGS can find job listings on this website. - [United States Geological Survey (USGS)]

http://www.usgs.gov/

Santa Fe Institute

A scientific research organization, based in California, that encourages multi-disciplinary efforts to understand the world. The Institute also offers educational programs on topics such as physics, evolutionary systems, computation and human behavior. You can read about the latest SFI events. - [Santa Fe Institute]

http://www.santafe.edu/

FootRule

You can find information on the measurement systems used in the United States and United Kingdom, and convert between metric and imperial systems. FootRule offers science data including the periodic table and fundamental physical constants. The site is also available in German. - [FootRule]

http://www.footrule.com/

Live Science

A science news website. Live Science provides coverage of animal science, the environment, history, technology and space. You can also find video and image galleries that illustrate interesting scientific events. The site's content can also be accessed by RSS feed. - [Live Science]

http://www.livescience.com/

CryptoZoology

A website dedicated to unusual and strange animals. Visitors to the site can contribute their discoveries and opinions to the site's active forums. You can also find an extensive amount of articles on strange animals sightings and discoveries around the world. Legendary creatures include the Nandi Bear, Marozi, Thunderbird, Nessie, Caddy and Yeti. - [CryptoZoology]

http://www.cryptozoology.com/

Circlemakers

A website dedicated to crop circles, those strange effects that some have attributed to extraterrestrials. The site has information on those who actually created the circles and the methods they used. You can also find out where the phenomenon of crop circles all began. - [Circlemakers]

http://www.circlemakers.org/

eNature

An online guide dedicated to the natural world. The site offers detailed profiles of more than 5,000 species including fish, mammals, trees and insects. You can also find information on America’s national parks and local endangered species. - [eNature]

http://www.enature.com/

About Paranormal Phenomena

Provides information on unusual and strange events that are difficult to explain. The site has information on ghosts, paranormal hauntings, lost worlds and reincarnations. The site's articles are easy to read and provide a good introduction to paranormal phenomena. - [About Paranormal Phenomena]

http://paranormal.about.com/

About UFOs

Access information about aliens and unidentified flying objects (UFOs). You can view a selection of UFO photographs from 2006 and 2007. You can also find information on evidence of UFO crashes and conspiracy theories explaining these events. - [About UFOs]

http://ufos.about.com/

SciTech Daily

A daily news website that is dedicated to covering important developments in science and technology. The site provides a central clearing house for the Web's best articles on these subjects. - [SciTech Daily]

http://scitechdaily.com/

The Museum of Unnatural Mystery

Dedicated to providing information about weird facts and phenomena. The site has weird facts from the fields of geology and archeology. This website is a good place to find out about the fringe areas of science and how science actually works on a day-to-day basis. - [The Museum of Unnatural Mystery]

http://unmuseum.org/

Agriculture and Agri-food Canada

Agriculture and Agri-food Canada is the federal agency that regulates agriculture in Canada. You can find out about Canadian agriculture, science and land management on this site. You can also find out how the Canadian government promotes agriculture. - [Agriculture and Agri-food Canada]

http://www.agr.gc.ca/

Science Daily

Science Daily is a news website dedicated to science. You can find news articles on health, medicine, the brain, earth and the climate as well as plants and animals. The site is updated several times a day. You can also purchase science books from this site. - [Science Daily]

http://www.sciencedaily.com

Australian Uranium Association

The Australian Uranium Association is an industrial group that represents those who mine and work with uranium. The site has education resources to help you learn more about this element, commonly used in nuclear power. The site also has a guide for media interested in reporting on uranium issues. - [Australian Uranium Association]

http://uic.com.au