Both are made on a farm that uses only calcified seaweed to fertilise the ground.

I have been using seaweed as a mulch for 24 years and would not have been able to garden without it.

During Isham's restoration, workers found the original builder had used seaweed for insulation.

Elina uses magical seaweed to breathe underwater and follows.

Many coastal juveniles use seaweed for the shelter and the food that is available from invertebrates and other fish associated with it.

Additional hydrotherapy and something called thalassotherapy, which uses sea water and seaweed, is on the way.

Blumenthal came up with the idea of using kelp - or seaweed - to make food more flavoursome without using additional salt.

Those who live along the shore like to use seaweed that washes up.

They will also use ferns and seaweed if available.

"We got a more long-lasting effect when we used seaweed," she said.