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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 ...

The Fibonacci sequence is a famous mathematical sequence where each number is the sum of the two preceding ones. People claim there are many special properties about the numerical sequence, such as ...

Look closely at a sunflower, and you'll see the distinct spiral in its center. | UrsaHoogle/iStock via Getty Images Many flowers have petals that add up to Fibonacci numbers, including buttercups, ...

Pine cones. Stock-market quotations. Sunflowers. Classical architecture. Reproduction of bees. Roman poetry. What do they have in common? In one way or another, these and many more creations of nature ...

EarthSky community member Norman Straight asked: Who is Fibonacci, and how does his work relate to the shape of a Nautilus shell? Cutaway of a Nautilus shell showing the chambers arranged in an ...

Converting between units is often something you have to do on the fly, and it is made easier when you memorise some rough equivalents. For instance, an imperial pint is 568 millilitres, but I often ...

Trying variants of a simple mathematical rule that yields interesting results can lead to additional discoveries and curiosities. The numbers 1, 1, 2, 3, 5, 8, 13, 21, 34, and 55 belong to a famous ...

What do pine cones and paintings have in common? A 13th century Italian mathematician named Leonardo of Pisa. Better known by his pen name, Fibonacci, he came up with a number sequence that keeps ...

Casey Murphy has fanned his passion for finance through years of writing about active trading, technical analysis, market commentary, exchange-traded funds (ETFs), commodities, futures, options, and ...