Until your food or water comes under the scientist’s microscope, you may never know what sediments are hiding in them. Some of these could be disease-causing pathogens and researchers figure they account for many health problems. GBC’s Napoleon Ato Kittoe in this feature goes through some processes at the CSIR-Water Research Institute in Accra.
https://www.youtube.com/watch?v=HCVBKUXqwB0