Say you’re at a party with nine other people and everyone shakes everyone else’s hand exactly once. How many handshakes take place? This is the “handshake problem,” and it’s one of my favorites. As a ...

1 Department of Biology, Savannah State University, Savannah, GA, USA. 2 Department of Mathematics, Savannah State University, Savannah, GA, USA. Since the time of the ancient Greeks, humans have been ...

Wenatchee Valley College, Wenatchee, WA, USA. Figure 1. Fibonacci spirals observed in nature. These images were posted in Art/Science, Paul’s Journal, Workshops ...