Scientists have found that the distinctive glossiness of the buttercup flower, which children like to shine under the chin to test whether their friends like butter, is related to its unique ...

Scientists have found that the distinctive glossiness of the buttercup flower (Ranunculus repens), which children like to shine under the chin to test whether their friends like butter, is related to ...

Children have long known that if you hold a little buttercup flower under your chin on a sunny day, the underside of your chin will be bathed in a yellow light. Now, by examining the petals of one ...

Buttercup flowers are known for their intense, shiny yellow colour. For over a century, biologists have sought to understand why the buttercup stands out. University of Groningen scientists have now ...