'Shape-shifting' material could help reconstruct faces

Injuries, birth defects (such as cleft palates) or surgery to remove a tumor can create gaps in bone that are too large to heal naturally. And when they occur in the head, face or jaw, these bone defects can dramatically ...

Sudan's gold rush wreaks havoc on health

Sudanese mother Awadya Ahmed has long wondered why her youngest child Talab was born blind and unable to walk; now she suspects the piles of poisonous waste left by gold miners.

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