Science dioramas of yesteryear can highlight the biases of the time. Exhibit experts are reimagining, annotating — and sometimes mothballing — the scenes.
Critical minerals factor into the fight.
The mineral-rich east of the Democratic Republic of Congo has been dogged by conflict for more than 30 years, since the 1994 Rwandan genocide.Numerous armed groups have competed with the central ...
Deep in the heart of a lush green forest, an excavator is hard at work, turning over the earth in search of gold. The ...
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