Vishvaa Rajakumar won the Memory League World Championship, which tests memorization skills. He shared some of his techniques ...

Wow was I wrong. I thought perhaps a few hundred Minnesota youngsters participated in the state’s Math League, and maybe ...

How to play . Super Bowl squares require participants to fill in 100 squares on an unlabeled 10-by-10 grid. There’s no real strategy — just pic ...

Similarly, in the voter verifiable paper audit trails (VVPATs), a new paper roll was placed in the compartment, and the serial number, name and symbol of the candidates were loaded before the ...

ST. CLOUD, Minn. — When told he’d need to give up farming, Ron Hemmesch felt as if his life was ending. Three decades later, the former farmer is harvesting the love and admiration of the ...

A new proof has brought mathematicians one step closer to understanding the hidden order of those “atoms of arithmetic,” the prime numbers. The primes—numbers that are only divisible by ...

According to one account, he was once asked to name a prime number during a conversation. These numbers, which are only divisible by 1 and themselves, form the atoms of number theory, so to speak ...