When Alfred Taubman was chief executive of the restaurant chain A&W, he came up with a clever way of challenging the competition: He offered a third-pound burger for the cost of a McDonald’s ...

It generally takes until preschool age for children to understand that a word like “four” represents a set, but new research from Johns Hopkins University suggests infants understand the concept of ...

Knowing how precisely a high school freshman can estimate the number of objects in a group gives you a good idea how well he has done in math as far back as kindergarten. Knowing how precisely a high ...

Knowing how precisely a high school freshman can estimate the number of objects in a group gives you a good idea how well he has done in math as far back as kindergarten, researchers at The Johns ...