South African groundwater project shows the power of citizen science

Image may be NSFW.
Clik here to view.About 30% of the water on the planet is under the ground, out of sight and not easily accessed. Little is known about this "invisible" groundwater. This is especially so in remote areas, such as the part of South Africa's Limpopo province where a research project called Diamonds on the Soles of their Feet is taking place.
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