There is nothing better than a summer spent out on the water; whether lakeside, lazing down a river, or sailing on the ocean. I bet you don't give a thought to the many different types of algae and marine plants that inhabit these waters, namely Seaweed. Seaweeds provide food for marine life as well as a place for them to dwell, but did you know that humans can also benefit from seaweed? Yup, read on.