Germany's Scientific Texts Were Made Free During and After WWII; Analyzing Them Today Shows the Negative Effect of Paywalls on Science
In 1942, the US Book Republication Program permitted American publishers to reprint "exact reproductions" of Germany's scientific texts without payment; seventy-five years later, the fate of this scientific knowledge forms the basis of a "natural experiment" analysed by Barbara Biasi and Petra Moser.
The Citation Graph Is One of Humankind's Most Important Intellectual Achievements
When researchers write, we don't just describe new findings - we place them in context by citing the work of others. Citations trace the lineage of ideas, connecting disparate lines of scholarship into a cohesive body of knowledge, and forming the basis of how we know what we know.