Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

The Fibonacci sequence -- in which each successive number is the sum of its two preceding numbers -- regularly crops up in nature. It describes the number of petals around daisies, how the density of ...

Don’t ask us why, but hackers and makers just love building clocks. Especially in the latter case, many like to specialize in builds that don’t even look like traditional timepieces, and are difficult ...

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 ...

When Fibonacci introduced what would become an eponymous sequence, he did so using rabbits as an analogy. Breeding pairs of rabbits are able to multiply within their ranks infinitely. Unfortunately, ...