If the name “Fibonacci” doesn’t ring a bell for you, then just think back to the first “tricky” number sequence you ever saw in math class. It goes like this: The first 15 terms of the ...

Flower petals, the majority of flowers in nature have a number of petals from the Fibonacci sequence. It can have 1, 3, 5, 8, 13, or even 21 petals; some have 4, 6, or 7 petals.