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

The Big Bang may have spawned these theoretical black holes, whose lives are thought to end in a burst of extremely energetic particles.

A mixture of DNA and proteins—known as "chromatin"—sits inside every cell nucleus as a jumbled puddle of genetic information. As cells prepare to divide during mitosis, the chromatin is condensed into ...

Wanna see a trick? Give us any topic and we can tie it back to the economy. At Planet Money, we explore the forces that shape our lives and bring you along for the ride. Don't just understand the ...

What’s your personality type? If you are an introvert you’re in good company; Barack Obama, JK Rowling are introverts ...

Some leaders use humor instinctively; many more could wield it purposefully. by Brad Bitterly and Alison Wood Brooks A few years ago, we conducted a research study in which we asked people to help us ...

Ask Ian McCulloch what he thinks is the greatest song of all time and the response is unequivocal. You might expect it to be ...