Loofahs are vegetables. If you look at a loofah, you might think it came from a dried sea creature. However, this scrubbing sponge is made from a vegetable. Loofahs are made from the fibrous flesh of the mature Luffa aegyptiaca and L. cyclindrica gourd. They’re distant relatives of melons and squash. Before reaching maturity, luffa is also edible.
100 Mind-Blowing Sponge Facts
A sponge can reconstruct itself in hours. If you force a live sponge through a mesh screen, it will rearrange itself after a few hours.