Antenna Technologies is an international NGO specialized in research and development of appropriate technologies in response of basic essential needs of population in extreme poverty. Antenna Technologies is mainly active in 3 action fields: -Malnutrition Developping cheap, simple and accessible solutions to combat children's malnutrition. Spirulina is one of them. -Drinking Water Water potabilization and desinfection. -Medicines For a collaboration between modern and traditional health systems.