It sounds like the start of a bad joke, but what do a pine cone, a sunflower head, and a pineapple have in common? Your first thought may be an emphatic, “Nothing.” However, they all have a secret ...

You're probably familiar with sunflowers, a member of the Asteraceae family of flowering plants. But the biology of the sunflower is a bit different than the common perception of a big flower composed ...

When people are asked to draw the flower of a sunflower plant, almost everyone draws a large circle encircled by yellow petals. "Actually, that structure is the flower head, or the capitulum, which ...

Fibonacci retracement uses specific ratios to predict stock reversals. Key Fibonacci levels are 0%, 23.6%, 38.2%, 50%, 61.8%, and 100%. Investors use these levels for setting price goals and trading ...