Particular disciplines or branches of learning, especially ones dealing with measurable or systematic principles rather than intuition or natural ability.
Academia: Social network meets research. Find academic papers and share your own. Easy to start, you can use google to sign in.
AsapSCIENCE: Weekly science videos that teach and entertain you.
Citizendium: A community attempting to collect knowledge and provide said knowledge online for free.
Discovery: Science, history, space.. and more! Find full episodes of tv shows and other forms of media. The site even has live feeds!
Seeker(DNews): Discovery channel news on youtube.
EOE: Encyclopedia of Earth. ‘The Encyclopedia of Earth (EoE) is an electronic reference about the Earth, its natural environments, and their interaction with society. The EoE is a free, expert-reviewed collection of content contributed by scholars, professionals, educators, practitioners and other experts who collaborate and review each other’s work.’ – Source.
Eureka Alert: Science news.
Futurism: Blog for science and technology progress and news.
Nasa.gov: Keep recent on news and find awesome out of this world(hehe) images.
National Geographic: Besides for being a popular tv channel and magazine, National Geographic offers a entertaining and educational website. Find everything from animal facts to games….
National Science Foundation: Find out the latest scientific discoveries and statistics.
NSDL: National Science Digital Library. Serving science, technology, engineering, and mathematics education.
Open Science Framework: OSF is a website for managing research projects. You can complete all the steps in the process along with sharing and collaborating with others. Brought to you by the Center of Open Science.
Phys.org: Find the latest science, research, and technology news.
Quora: Quora’s mission is to share and grow the world’s knowledge. Useful Q & A site.
Science Daily: Amazing progress and technology to keep you looking to the future with hope.
Scitable: Science library. Find information and media.
Useful Science: Tid bits of interesting and scientific facts.