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 ...

Help your child learn how to count forward and backward by 1’s, 5’s, and 10’s with their hands. Counting forward and backward by 1’s lays the foundation for addition and subtraction, while counting by ...

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 ...

Well, on the bright side it used to be that anyone (including little old ladies with no background in electronics) could spot fatal flaws in my arguments. Now it takes design engineers from Cray (my ...

A simplified version of the problem goes like this: Imagine that you are imprisoned in a tunnel that opens out onto a precipice two paces to your left, and a pit of vipers two paces to your right. To ...

In the not-so-distant past, I published a mini-series of four “Logic 101” articles encompassing Assertion-Level Logic, Positive-vs-Negative Logic, Reed-Muller Logic, and Gray Codes. More recently, a ...