It’s surprisingly difficult to prove one of the most basic properties of a number: whether it can be written as a fraction. A broad new method can help settle this ancient question. In June 1978, the ...

One of the most basic and intensively studied processes in biology —- one which has been detailed in biology textbooks for decades —- has gained a new level of understanding, thanks to the application ...

Diego Fonseca looked at the computer and took a breath. It was his final attempt at the math placement test for his first year of college. His first three tries put him in pre-calculus, a blow for a ...