The plant that can water itself Matt Walker Editor, Earth News In the deserts of Israel, there is a plant that waters itself. The plant, a type of rhubarb, has specially designed leaves that channel rain water to its roots. It is the only known plant in the world able to self-irrigate. The adaptation allows the rhubarb to flourish in extreme arid conditions by collecting up to 16 times more water than other plants in the region, say the scientists who published details of the discovery in Naturwissenschaften. Simcha Lev-Yadun, Gadi Katzir and Gidi Ne'eman of the University of Haifa,...