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

Or maybe you pay for coffee, and the change is exactly $3.33? It happens once, you brush it off. But then it happens again.

A North Carolina woman, who has won $154,168 in a recent lottery draw, after using the same set of numbers for six years, was encouraged by her sister, who would always tell her that she would win one ...

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).

For over a decade, mathematicians have failed to agree whether a 500-page proof is actually correct. Now, translating the ...