The concept of zero, which originated in India, is a relatively new addition to the number system and revolutionized mathematics. It’s essential for our current numbering system and algebra..Not all infinities are equal! Mathematicians have discovered that there are actually an infinite number of different sizes of infinity. For instance, the set of real numbers is larger than the set of natural numbers, even though both are infinite..Did you know there's a mathematical theorem about slicing pizza? It states that if you slice a pizza into eight curved shapes (with an even number of cuts radiating from the center), you can serve equal slices with equal amounts of topping to each person, no matter how you slice it!