Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Today’s challenging puzzle is that in the sequence series of “101”, one number doesn’t belong in this sequence series. Can You Find It? So, if you think you're a genius with a 140+ IQ level, then find ...

Observation skill is the ability in which an observer can observe and interpret the details that surround them about people’s behaviour, patterns, changes, or small cues that others usually ignore. It ...

Learn about the origins of the Fibonacci sequence, its relationship with the golden ratio and common misconceptions about its significance in nature and architecture. When you purchase through links ...