Daniel Mansfield does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

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 ...

In this video, I demonstrate how people from different cultures count from 1 to 10 using their hands. I show the gestures commonly used in many countries and compare them to traditional Chinese hand ...