A puzzle posted in an online community unlocked a wormhole within the basic shape. Credit...Ian Henderson Supported by By Siobhan Roberts Lisanne Taams, a student at Radboud University in the ...

Today’s challenging puzzle is to draw a square and a rectangle to separate the squirrel from the nuts. So, if you think you're a genius with a sharp IQ, then draw a square and a rectangle to separate ...

The total area of a compound shape is found by adding up the areas of the rectangles that have created the whole shape. This may be done in more than one way. The calculation may use a subtraction of ...