 Their company, Microalgae International, invested in research and technology to find a super food for solving World Hunger.Early research focused on chlorella but its cellular structure was too small to be collected without expensive centrifuges.However, in 1967, while Dr Nakamura was living at Centre House, they discovered that women at Lake Chad were harvesting an algae in baskets to make dihé, a highly nutritious sun-baked biscuit.