A red knot is a tiny shorebird that makes an epic 9000-mile journey all the way from the arctic to the tip of southern Chile and back. Biologists and nature enthusiasts congregate at various points ...

Here's how you can help your preschooler master the basics of math outside of the classroom. Ask your child to compare different groups of items, such as carrot sticks and apple slices, and to tell ...

Your child is learning new things every day. And just as you can help them with their language and reading, there are also ways you can boost your preschooler’s number skills. This is especially ...

A mathematician explains how to get a fair result from a biased coin. Nov. 7, 2010 — -- I've always loved the idea of coin flips, and hence this paean to a few of their properties. One of the ...

Number words that, in principle, allow all kinds of objects to be counted ad infinitum are one basic requirement for complex numerical cognition. Accordingly, short or object-specific counting ...

A red knot is a tiny shorebird that makes an epic 9000-mile journey all the way from the arctic to the tip of southern Chile and back. Biologists and nature enthusiasts congregate at various points ...