It sounds like the start of a bad joke, but what do a pine cone, a sunflower head and a pineapple have in common?

These pinecones have eight spirals in one direction and thirteen in the other direction. These are both examples of Fibonacci numbers. Disclaimer: AAAS and EurekAlert! are not responsible for the ...

If you don’t know what Fibonacci day is then go now and have a look at the calendar, write today’s date in the Month/Day format (11/23), you’ll notice a pattern, the first four digits of the famous ...

A Fibonacci sequence goes like this: 1, 1, 2, 3, 5, 8, 13, 21, 34, 55 and 89. Each successive number is the sum of the two preceding numbers. So 1+1 =2 and 1+2=3 and 2+3=5. The scales on a pinecone, ...

Do you see the pattern? Each number in the series after the first two numbers is the sum of the preceding two numbers. So 55 is just the sum of 34 and 21, and so on. You can carry the sequence on for ...

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 ...