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

How a 1950s study of social class and mental illness in New Haven changed the way people thought about mental health.

A recent study finds students who are the first in their family to attend college are more likely to drop out after receiving ...

Here is a close look at the common- versus differential-mode voltage and instrumentation amplifier (IA) topologies.

The Philippines has been one of the most dynamic economies in the East Asia and Pacific region. Its economic dynamism reflects increasing urbanization, a large and young population, and strong ...