News came recently that scientists in Australia have performed a human clinical trial that may bring hope for people with diabetes, especially children.

A new seaweed extract is being used as a coating to encapsulate insulin-producing islet cells that have come from an organ donor. The seaweed capsules have tiny holes which protect the islet cells from the immune system, yet are large enough to allow the entry of nutrients and oxygen. The seaweed-encapsulated cells are then transplanted...