"This is not a comprehensive history of paleontology or biology, nor is it the result of systematic research. It's not the work of a professional scientist, educator or historian. It's just an eclectic collection of old illustrations and information."
Explore the latest trends in mechanical engineering, including such categories as Biomedical Engineering, Energy, Technology and Society, Robotics, Materials, Student Support, Business and Career Support and Advanced Manufacturing.
Smarthistory at Khan Academy is the leading open educational resource for art history. We make high-quality introductory art history content freely available to anyone, anywhere
PLOS ONE is an international, peer-reviewed, open-access, online publication. PLOS ONE welcomes reports on primary research from any scientific discipline.
Proceedings of the National Academy of Sciences of the United States of America. Showcasing Physical, Biological, Social Science Peer Reviewed Research Articles