Although milk is a main dietary source of calcium, many foods, like sardines, yogurt, and fortified foods, contain more ...

Lithium-battery production is extremely power-intensive and unforgiving of instability. Zimbabwe holds 6.7 million tonnes of ...

Diamond downturn pushes Botswana to accelerate diversification New partnerships with Oman, Qatar, and France target untapped resources Large mineral potential remains, but projects will take years to ...