The second claim to fame is for biology teachers. The leaves are somewhat translucent and so you can see water in the veins if the water is colored.
The third, and most hopeful, is that scientists have learned that this plant has the ability to co-exist with the dreaded Garlic Mustard! Wild Ramblings discusses it in detail, but it seems that it has evolved over time to be able to get along with Garlic Mustard. Researchers are still studying this in detail to see if they can figure out the mechanism.