Of all the fascinating creatures in the sea, one of the most important has neither fins nor tentacles nor eyeballs, and doesn't even move. If you guessed seaweed, you guessed well.
It's not really a weed, but a form of algae. And it comes in thousands of varieties, many of them packed with nutrients good for many other creatures on the Earth.
Seaweed harvesting is becoming a bigger business in Maine, and that's where Susan Hand Shetterly takes us in her book Seaweed Chronicles: A World at the Water’s Edge.
The author visits for a brief visit underwater with this most distinctive of sea entities.