The humble fish, or ichthys (ἰχθύς) in Greek, was a symbol that played a crucial role in the early years of Christian history ...

Handshake is a silent yet powerful conversation – here’s how to master it From firm grips to vice-like squeezes, even gentle, lingering touches, handshakes come in all forms, each one ...

Draw as many lines (handshakes) as you wish from any dot to any other dot. A dot can “shake hands” as often as you please or not at all. Prove that the number of dots with an odd number of ...