In 2018, an astrophysicist introduced the Silurian Hypothesis, the idea that an advanced civilization may have existed on ...

In Senegal's gold-rich Kedougou region, women and children face serious health risks from mercury exposure used in gold ...

In Senegal’s gold-rich Kedougou region, women and children face serious health risks from mercury exposure used in gold processing ...

In artisanal mining, mercury is prized for its ability to bind quickly and easily to gold. Miners mix the liquid metal into crushed ore, and the mixture is then heated — often over open flames ...