Circles, triangles and squares. One of the first things we learn as children are basic geometric shapes. And they stay with us throughout our lives. Maybe it’s that sense of familiarity that makes ...

This is the second in a two-part series. Part one can be found here. The debate over what early math should look like and what should be included in the Common Core State Standards for math is one of ...

More than 60,000 years ago, early humans in southern Africa were carving patterns onto ostrich eggshells—and new research shows these designs were far more sophisticated than previously believed. A ...