Can you imagine sound travels in the same way as light does? A research team at City University of Hong Kong (CityU) discovered a new type of sound wave: the airborne sound wave vibrates transversely and carries both spin and orbital angular momentum like light does. The findings shattered scientist

Adeniums have been, till recently, comparatively rare and high value succulents. In part this was because they are somewhat difficult and slow under cool conditions and in part due to the need for cross pollination to set seed. The rather complex floral structure means than hand pollination technique is not obvious.