Running into a DIY project without a ruler or tape measure? A simple household item can give you accurate results in seconds, ...

A circle is a shape where every point at its edge is the same distance from the centre. A circular shape or object is one that is in the form of a circle. How many of these circular objects can you ...

Beth Py-Lieberman - Author, The Object at Hand: Intriguing and Inspiring Stories from the Smithsonian Collections Every year, the celebration of Pi Day (March 14 is 3.14) grows more ambitious. Math ...

So you have a circle. What is the area of that circle? Surely everyone remembers that the area of a circle is: Where Pi (π) is of course the number and r is the radius of the circle. Where does this ...

This article was originally on a blog post platform and may be missing photos, graphics or links. See About archive blog posts. The body mass index (BMI) isn’t a perfect measure for obesity.

The body mass index (BMI) isn’t a perfect measure for obesity. Convenience and routine are on its side -- so health experts aren’t likely to stop using it any time soon -- but its limitations have got ...