But rising ocean temperatures are beginning to put some species at risk. Kelps are structurally complex seaweeds, thought to have first appeared about 23 million years ago. They grow in large, dense ...

Today, we find algae in our food, in both ordinary and unexpected places. Brown algae, especially kelp, are used to extract another gel-forming product called algin. Algin absorbs water to make gels ...

These marine plants and algae are sometimes called “sea vegetables”—but there are reasons beyond gastronomy to appreciate them. Kelp, in particular, has the potential to greatly reduce ocean ...

Giant kelps (Macrocystis pyrifera) are the largest algae in the ocean, growing upward to more than 150 feet. Their forests harbor one of the most diverse ecosystems on the planet. This story ...

as well as kelp species Laminaria digitata and Saccorhiza ... More morphologically complex brown algae, such as Fucus serratus and Fucus distichus, had a clear hourglass pattern during embryogenesis.