Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

New studies from Arizona State University reveal surprising ways bacteria can move without their flagella—the slender, ...

Chocolate or strawberry? Life or death? We make some choices quickly and automatically, relying on mental shortcuts our brains have developed over the years to guide us in the best course of action.

Are you feeling a little burned out? You’re not alone. Many things can get in the way of taking care of ourselves, including caregiving responsibilities, work, social commitments, and more. But ...