There's nothing subtle about sunflowers. There they stand, taller than the garden fence, with vibrant yellow heads screaming summer and 'look at me'. But as summer turns to autumn, their heavy heads ...

In this study, researchers found that sunflowers grown in a dense row naturally formed a near-perfect zigzag pattern, with each plant leaning away from the row in alternating directions. This pattern ...

Add Yahoo as a preferred source to see more of our stories on Google. Flowers are one of the most striking examples of diversity in nature, displaying myriad combinations of colours, patterns, shapes ...

It turns out sunflowers are more than just a pretty face: the ultraviolet colours of their flowers not only attract pollinators, but also help the plant regulate water loss. It turns out sunflowers ...