I took this photo June 11. It shows the seed pods of a cottonwood tree bursting with what looks like cotton. In the mass of fluff are tiny seeds that are dispersed by the wind. Cottonwood trees ...

(Nanowerk News) Plants are capable of producing powerful movement that is initiated at the molecular level. This fast motion is often supported by helix-based architectures, for example in vetches or ...

Plants are capable of producing powerful movement that is initiated at the molecular level. This fast motion is often supported by helix-based architectures, for example in vetches or orchids that ...