Science – Astronomy, Biology, Chemistry, Physics

For Biology, see also Environmental Science/Studies and Green LivingHealth and Medicine, and Ornithology.

Action Bioscience 
A free educational site designed to help readers be informed about the natural world. From the American Institute of Biological Sciences.

The American Chemical Society

Asteroid Watch 
From NASA's Jet Propulsion Lab, this site provides up-to-date information about asteroids.

Astrobiology Magazine 
The online home of Astrobiology Magazine.

An Atlas of the Universe 
A website with maps of the universe.

Provides the periodic table of elements and detailed information about each element.

Chemistry-related podcasts created by the journal Nature.

The Collected Papers of Albert Einstein 
"Princeton University Press proudly presents The Digital Einstein Papers, an open-access site for The Collected Papers of Albert Einstein, the ongoing publication of Einstein's massive written legacy comprising more than 30,000 unique documents." Includes 13 currently published volumes with writings to 1923, in both the original language and with an English translation for most documents.

Cosmic Journey: A History of Scientific Cosmology 
An online exhibit by the American Institute of Physics.

Darwin Manuscripts 

Darwin Correspondence Project 
Two projects from Cambridge University providing digital access to Charles Darwin's working scientific papers and correspondence, respectively.

Darwin Manuscripts Project 
"The [American Museum of Natural History] Darwin Manuscripts Project is a historical and textual edition of Charles Darwin's scientific manuscripts, designed from its inception as an online project. The database at its core—DARBASE—catalogues some 96,000 pages of Darwin scientific manuscripts. These are currently represented by 21,850 high resolution digital images. Thus far 14,936 manuscript pages have been transcribed to exacting standards and all are presented in easy to read format."

Darwin Online 
Full text of the complete works of Charles Darwin online.

DNA Learning Center 
"The DNA Learning Center (DNALC) is the world's first science center devoted entirely to genetics education and is an operating unit of Cold Spring Harbor Laboratory, an important center for molecular genetics research."

A science news website that focuses primarily on astronomy but has other science news as well. Also listed under Environmental Science/Studies and Green Living.

Exploratorium TV 
"Webcasts, video clips, podcasts, and slideshows from the Exploratorium's collection of original programming, from remote scientific expeditions to fun hands-on activities." From the Exploratorium in San Francisco, California.

Exploring Life's Origins: A Virtual Exhibit 
Explorign Life's Origins "use[s] molecular illustration and animation to help describe origins of life research and theories to broad audiences." From the Museum of Science in Boston, Massachusetts.

"Futurity features the latest discoveries by scientists at top research universities in the U.S., UK, Canada, and Australia."

A site dedicated to the Hubble telescope and astronomy for a general audience.

Linus Pauling Online 
Oregon State University's Linus Pauling collection.

National Science Foundation

The Periodic Table of Videos 
An interactive periodic table of the elements that leads to short videos about each element.

Photobiological Sciences Online 
Information about photobiology from the American Society for Photobiology.

Physics to Go 
"An online monthly mini-magazine and a collection of more than 1,000 websites with physics images, activities, and info."

Public Library of Science (PLOS) 
Open-access articles about science topics.

Ranking Web of Repositories 
A source for finding repositories of scientific information. 
" searches over 55 databases and over 2100 selected websites from 15 federal agencies, offering 200 million pages of authoritative U.S. government science information including research and development results."

Science Blogs 
Provides access to over 70 science blogs by leading bloggers in different scientific disciplines.

"ScienceOpen is a freely accessible research network to share and evaluate scientific information. We aggregate Open Access articles from a variety of sources – opening them up to commenting and discussion. Manuscripts submitted to ScienceOpen will be published Open Access and evaluated in a fully transparent Post-Publication Peer Review process."

"Scitable is a free science library and personal learning tool brought to you by Nature Publishing Group."

SciTech Connect 
"Your connection to science, technology, and engineering research information from the U.S. Department of Energy." Also listed under Environmental Science/Studies and Green Living.

Sixty Symbols 
"Videos about the symbols of physics and astronomy."

Talking Glossary of Genetic Terms 
"The National Human Genome Research Institute (NHGRI) created the Talking Glossary of Genetic Terms to help everyone understand the terms and concepts used in genetic research. In addition to definitions, specialists in the field of genetics share their descriptions of terms, and many terms include images, animation and links to related terms."

Understanding Evolution 
"Understanding Evolution is a non-commercial, education website, teaching the science and history of evolutionary biology. This site is here to help you understand what evolution is, how it works, how it factors into your life, how research in evolutionary biology is performed, and how ideas in this area have changed over time." From the University of California Museum of Paleontology and the National Center for Science Education.

Understanding Science 
A site that "accurately communicates what science is and how it really works. ... gives users an inside look at the general principles, methods, and motivations that underlie all of science." From the UC Museum of Paleontology of the University of California at Berkeley. 
Video lectures "given by distinguished scholars and scientists at the most important and prominent events like conferences, summer schools, workshops and science promotional events from many fields of Science."

Provides information about the elements.

The World of Chemistry 
"A video instructional series for college and high school classrooms and adult learners."

" is a global science gateway comprised of national and international scientific  databases and portals. accelerates scientific discovery and progress by providing one-stop searching of databases from around the world."

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