“There are two types of people in this world-people who classify others into groups, and those who don’t.” We’ve all heard this phrase, or something similar, and it begs the question of whether the ...

This article was originally featured on Undark. For centuries, taxonomists have cataloged every living thing they could find. Expeditions have traveled the globe, searching for unknown species; ...

Paul Otlet was a Belgian, *1868, died 1944, who perfected the Dewey Classification system as "the Universal Decimal Classification", in his lifetime alone totalling 17 million index cards of human ...