Picture This
Mathematics / Geometry
What 3 dimensional shape will pass through a rectangle, triangle and circle each time filling the whole space? The answer may surprise you in it's simplicity. Before I tell you what it is, see if you continue reading this fact

Who Invented Zero?
Mathematics / History
Many concepts that we all take for granted sounded strange and foreign when first introduced. Take the number zero for instance. Any firstgrader can recognize and use zeros. They sound so logical and continue reading this fact

Perfect Numbers
Mathematics / Number Theory
Some numbers are more special than others. According to Pythagoras (569 BC  475 BC) and Euclid (325 BC  265 BC), some are so special that they called them mystical or perfect numbers. The first per continue reading this fact
