One of the worst weeds in Iowa gardens is wild campanula (Campanula rapunculoides), also called creeping campanula. Unlike the various types of perennial and annual campanula flowers available in ...

This photograph shows a chemically functionalized soap bubble on a campanula flower (Campanula persicifolia). Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases ...

Soap bubbles that deliver pollen to flowers could offer an alternative way of fertilising plants as bee populations decline, while being more delicate than other methods. Eijiro Miyako at the Japan ...