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

Most of us have little trouble working out how many milliliters are in 2.4 liters of water (it's 2,400). But the same can't ...

The laws of inheritance are quite unknown,” Charles Darwin acknowledged in 1859. The discovery of DNA’s shape altered how we ...

Scientists at St. Jude Children's Research Hospital have created a database that provides updated predicted structures on a ...

Georgetown University psychologist Shadab Tabatabaeian, the paper’s lead author, imagines a “cool application” of their ...

Kids keep shouting six seven in math class and at games. Now, school lessons are changing to avoid it. Why? Find out the true ...