Math and Science Information


Conversion Calculator

Need to convert liters to cups? What about feet to meters? This site can convert one unit of measure to another, including some you may not have heard of.

The Math Forum

For those not mathematically inclined, Drexler University provides this very helpful webpage. It has resources for everyone from kindergarten through college.

Units of Measure

This website lists and defines units of measure for almost anything you can think of, from hurricanes and tornadoes to shotgun gauges and solar flairs.

Science Resources

AgNIC (Agriculture Network Information Collaborative)

Agriculture is an ever expanding field. AgNIC’s website brings you articles about the newest technology moving things forward.

DARPA (Defense Advanced Research Projects Agency)

The Defense Advanced Research Projects Agency (DARPA) works with the most cutting edge projects in the world. Some of their past projects include the Internet (back when it was ARPA NET). Visit their website to find out what they are working on today.

National Geographic Daily Nature and Science News

Articles on science and nature news from one of the most prominent magazines on the topic.

National Science Foundation (NSF)

This is the official website of the National Science Foundation. It was created in 1950 to “to promote the progress of science; to advance the national health, prosperity, and welfare; to secure the national defense…” Find resources on a wide range of scientific topics. is a gateway to government science information and research results. Currently in its fifth generation, provides a search of over 60 scientific databases and 200 million pages of science information with just one query, and is a gateway to over 2200 scientific Websites. (from their About page, 2/3/2015)

Journals and News


This website is a scientific journal aggregator and provides links to over 897,000 e-prints in many major scientific fields (Physics, Mathematics, Computer Science, Quantitative Biology, Quantitative Finance and Statistics). ArXiv is an e-print service hosted by Cornell University Library.


Science Daily brings you breaking news and research from the major scientific fields. If you are looking for the most up to date information this site may be of help.

Science News

“Every day the news staff of Science magazine and our contributing freelancers bring you breaking news from the world of scientific research and science policy. Our offerings include breaking research news, ScienceInsider (news and analysis from the world of science policy), and Sifter, a blog that points you to the best science stories on the web. We also post a weekly podcast. And you can now find our weekly news content from Science magazine included in our daily news feed, on our category and collections pages, and on our author pages.” (from the About page, 2/3/2015)

Science Resources by Subject


Current Night Sky

The Harvard-Smithsonian Center for Astrophysics brings you this site that tracks the current phase of the moon, position of the planets in the night sky, and more. A useful tool for the amateur astronomer.


The official website of the Hubble Space Telescope Program includes not only facts about the telescope but some of the most impressive imagery recorded.

International Space Station

Explore this site to learn more about the work of the International Space Station and read about this incredible international collaborative project. NASA now hosts live streaming from the ISS.


NASA’s official webpage includes much about the current status of the US Space program, its history, and scientific research related to space.

Stars and Constellations

This guide has a list of Constellations and the stars that compose them. There are also some high-definition pictures available.


BBC Science and BBC Nature

Explore science and nature resources on these two BBC sites. Find beautiful video clips, current news related to science and nature, and fun interactive resources on space, wildlife, prehistoric life, and the human body.

Darwin Online

Darwin Online is the largest and most widely consulted edition of the writings of Darwin ever published. This website contains over 100,000 pages of searchable text and 214,000 electronic images, at least one exemplar of all known Darwin publications, reproduced to the highest scholarly standards, both as searchable text and electronic images of the originals. The majority of these have been edited and annotated here for the first time with more than 4,800 original editorial notes.


This site provides a field guide to over 5500 different species. It can also be broken down to localities.

Encyclopedia of Life

“The Encyclopedia of Life brings together information about all life on Earth—one web page for each species. But EOL is much more than 1.9 million species pages. It’s an incredible resource for text, images, video, sounds, maps, classifications and more, all freely available online. And, the true power of EOL comes from its users—users like you—who create Collections, start and join Communities, share their species images and make EOL a vibrant and ever-expanding meeting place for everyone interested in nature.” (from the Discover, What is in EOL? page, 2/3/2015)

Gray’s Anatomy of the Human Body

An online edition of the venerable Gray’s Anatomy of the Human Body, this Bartleby website includes illustrated figures from the classic work.

Smithsonian National Museum of Natural History Explore a Topic

Explore topic-driven guides that connect content from across the museum. These guides provide a single point for accessing resources related to a subject: online exhibits, science features, research departments, and upcoming events. (from the Smithsonian’s website, 2/3/2014) Collections include The Evolving Earth, The Diversity of Life, The Human Connection, and Our Connected Planet.


Arbor Day Foundation Tree Identification Field Guide

If you need information on trees this site is for you. The Arbor Day Foundation is dedicated to increasing the number of, and public awareness about, trees. Use the What Tree Is That? tree identification guide (also available as an iphone app) to identify trees throughout the United States.

USDA Plants Database

The United States Department of Agriculture (USDA) Conservation Service has set up this web page to help farmers and gardeners be more productive with their land. There are many great tips here.

Virginia Tech Forest Biology and Dendrology Education

The Virginia Tech Department of Biology and Dendrology offers you a guide to forest biology, particularly the trees. Android and iPhone apps are also available and useful for field identification.

What Tree Is It?

Can’t ID that tree? This site is a simple illustrated guide to leaves, fruits and common names for trees. It was created by the Ohio Public Library Information Network.


The Periodic Table of Videos

Click on one of the elements in the periodic table and watch a video demonstrating the element’s properties and uses. Videos are created by Brady Haran and chemists at the University of Nottingham.

Royal Society of Chemistry

The Royal Society of Chemistry is an international professional community of scientists. Their website provides great educational resources including an interactive periodic table, LearnChemistry (a gateway for teachers and students), and a timeline of the history of chemistry from the big bang and projected into the 21st century.

Environmental Science

NOAA provides data and research on the atmospheric conditions of the United States. Find important environmental data (e.g. sea level, carbon dioxide levels) including climate variability and climate projections on their climate website.


Solutions is a non-profit print and online publication devoted to showcasing bold and innovative ideas for solving the world’s integrated ecological, social, and economic problems. (from their about page, 2/4/2015)

U.S. Environmental Protection Agency (EPA)

The official EPA website contains the expected environmental safety information, however there is also very useful info on how to save electricity, among other topics, to benefit both the planet and your wallet.



“GeneEd Web, developed and maintained by the National Library of Medicine (NLM) and the National Human Genome Institute (NHGRI), National Institutes of Health (NIH), is a safe and useful resource for students and teachers in grades 9 – 12 to learn genetics. The Web site allows the user to explore topics such as Cell Biology, DNA, Genes, Chromosomes, Heredity/Inheritance Patterns, Epigenetics/Inheritance and the Environment, Genetic Conditions, Evolution, Biostatistics, Biotechnology, DNA Forensics, and Top Issues in Genetics.” (from the About Us page 2/4/2015) This site links to labs and experiments and other learning resources, as well as resources on different careers in the field of genetics.

Genetics Home Reference

“Genetics Home Reference provides consumer-friendly information about the effects of genetic variations on human health.” (from the website, 2/4/2015) The Help Me Understand Genetics handbook on this website is a great educational resource for anyone who wants to learn the basics of genetics.

National Human Genome Research Institute

The National Center for Human Genome Research (NCHGR) was created in 1989 as the NIH’s part in the International Human Genome Project. Their website provides useful health and education information on human genetics including a talking glossary of genetic terms.


United States Geological Survey (USGS)

The USGS offers access to maps, information about natural hazards (including their earthquakesvolcanoes, and astrogeology).


NOAA Ocean Explorer

The National Oceanic and Atmospheric Agency (NOAA) website can be your guide to exploring the oceans depths or weather phenomenon.

Office of Naval Research Science & Technology Focus

“Teachers can use the Focus site for lesson planning, fact-checking, explaining difficult concepts, or linking to other resources. We provide links to educational resources such as lesson plans, activities, and teacher-training opportunities. We link only to reputable, federally-recognized organizations, research and educational institutions, and government sites. Our goal is provide you with a reliable source of basic scientific information, as well as some current research. The site has been designed with the National Science Education Standards in mind, and consists of two main interdisciplinary modules: Oceanography and Space Sciences. A special module, Blow the Ballast!, focuses on the history of submarines and exploration of the sea.” (from the Teacher’s Corner page, 2/4/2015)

Inventions and Innovations

How Everyday Things Are Made

If you’ve ever wondered how things are made – products like candy, cars, airplanes, or bottles – or if you’ve been interested in manufacturing processes, like forging, casting, or injection molding, then you’ve come to the right place.  (from their main page, 2/4/2015)


Have you ever wondered how something works? How stuff works provides you with just that information on everything from Baseballs to the Svaldbard Global Seed Vault, you can probably find it here.


Return to the Online Information Desk to find more online resources. If you need additional assistance finding information, contact the Johnson City Public Library Information Desk at (423) 434-4454.