Cell division is a process of remarkable precision: during each cycle, the genetic material must be evenly distributed between the two daughter cells. To achieve this, duplicated chromosomes, known as ...

For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

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).

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

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

Maybe your rule isn’t 90 days. Maybe it’s 120. Maybe it’s six months,” the Minimalists say. The 80/20 rule dictates that your stuff should take up only 80 percent of a given space — a closet, a drawer ...