You find a lot of great stuff when browsing through arXiv, the repository of scientific research run by Cornell University, including very elaborate solutions to problems you didn't necessarily know ...

CHAMPAIGN, Ill. – Two math-notebook pages recently authenticated as belonging to Abraham Lincoln suggest the 16th president, who was known to downplay his formal education, may have spent more time in ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This black notebook, distributed as ...

CHAMPAIGN, Ill. — Two math-notebook pages recently authenticated as belonging to Abraham Lincoln suggest the 16th president, who was known to downplay his formal education, may have spent more time in ...

CHAMPAIGN, Ill. — Two math-notebook pages recently authenticated as belonging to Abraham Lincoln suggest the 16th president, who was known to downplay his formal education, may have spent more time in ...

For young English-language learners, language skills can be a barrier not just to reading but math as well. Educators and researchers working in two school districts here hope that helping students ...