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

Tim Pool's chart is just one example of the countless claims attempting to associate violent crime with a political party.

According to market participants, retail investment has risen in recent years, particularly in lower-rated bonds, as ...

Helping students to develop math fluency takes more than just flash cards. It requires teaching them how to think about ...

In this excerpt from the new book 'Speak Data,' the Wharton professor and best-selling author shares his thoughts on how we ...

A new collection of research papers examines how humans conceptualize numbers and the numeral systems we’ve build around them ...

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 be said when we're asked how many minutes are in 2.4 hours (it's 144).

Understanding your lifetime salary 'shape' is a valuable piece of the puzzle when making financial decisions that will affect ...

At one time, poaching was the biggest threat to elephants in Africa. As these majestic creatures were slaughtered by the ...

Indiana's rapid rise shows what's possible for a 'basketball school.' Maryland's challenge is closing the gap in spending, ...

Stage 5: Justify thinking. A vital habit that many students need to solidify is recontextualizing after they solve ...